Home / 840,118,209.70-1,260,177,314.55-726,872,001.70

Finding the Fourth Proportional to 840,118,209.70, 1,260,177,314.55 and 726,872,001.70

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Solution

The fourth proportional to 840,118,209.70, 1,260,177,314.55 and 726,872,001.70 is: 1,090,308,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,118,209.70 : 1,260,177,314.55 = 726,872,001.70 : x
  2. Step 2: Convert to fraction form
    840,118,209.70/1,260,177,314.55 = 726,872,001.70/x
  3. Step 3: Cross multiply
    840,118,209.70x = 1,260,177,314.55 × 726,872,001.70
  4. Step 4: Simplify right side
    840,118,209.70x = 915,987,607,123,889,024
  5. Step 5: Solve for x
    x = 915,987,607,123,889,024/840,118,209.70
  6. Step 6: Final answer
    x = 1,090,308,002.55

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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.