Home / 907,098,139.13-1,251,127,048.07-684,089,208.05

Finding the Fourth Proportional to 907,098,139.13, 1,251,127,048.07 and 684,089,208.05

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Solution

The fourth proportional to 907,098,139.13, 1,251,127,048.07 and 684,089,208.05 is: 943,539,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,098,139.13 : 1,251,127,048.07 = 684,089,208.05 : x
  2. Step 2: Convert to fraction form
    907,098,139.13/1,251,127,048.07 = 684,089,208.05/x
  3. Step 3: Cross multiply
    907,098,139.13x = 1,251,127,048.07 × 684,089,208.05
  4. Step 4: Simplify right side
    907,098,139.13x = 855,882,511,474,464,512
  5. Step 5: Solve for x
    x = 855,882,511,474,464,512/907,098,139.13
  6. Step 6: Final answer
    x = 943,539,044.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.