Home / 2,120,699,087,943.80-3,181,048,674,006.60-509,032,969,338.92

Finding the Fourth Proportional to 2,120,699,087,943.80, 3,181,048,674,006.60 and 509,032,969,338.92

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Solution

The fourth proportional to 2,120,699,087,943.80, 3,181,048,674,006.60 and 509,032,969,338.92 is: 763,549,464,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,699,087,943.80 : 3,181,048,674,006.60 = 509,032,969,338.92 : x
  2. Step 2: Convert to fraction form
    2,120,699,087,943.80/3,181,048,674,006.60 = 509,032,969,338.92/x
  3. Step 3: Cross multiply
    2,120,699,087,943.80x = 3,181,048,674,006.60 × 509,032,969,338.92
  4. Step 4: Simplify right side
    2,120,699,087,943.80x = 1,619,258,652,141,213,789,978,624
  5. Step 5: Solve for x
    x = 1,619,258,652,141,213,789,978,624/2,120,699,087,943.80
  6. Step 6: Final answer
    x = 763,549,464,111.49

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Double scale
Find fourth proportional to 2,120,699,087,944.80, 3,181,048,674,008.10 and 509,032,969,339.92
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.