Home / 2,120,145,226.12-3,181,670,518.02-739,959,733.72

Finding the Fourth Proportional to 2,120,145,226.12, 3,181,670,518.02 and 739,959,733.72

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Solution

The fourth proportional to 2,120,145,226.12, 3,181,670,518.02 and 739,959,733.72 is: 1,110,446,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,145,226.12 : 3,181,670,518.02 = 739,959,733.72 : x
  2. Step 2: Convert to fraction form
    2,120,145,226.12/3,181,670,518.02 = 739,959,733.72/x
  3. Step 3: Cross multiply
    2,120,145,226.12x = 3,181,670,518.02 × 739,959,733.72
  4. Step 4: Simplify right side
    2,120,145,226.12x = 2,354,308,069,298,853,888
  5. Step 5: Solve for x
    x = 2,354,308,069,298,853,888/2,120,145,226.12
  6. Step 6: Final answer
    x = 1,110,446,605.40

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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.