Home / 539,430,693.59-744,414,358.10-291,912,047.84

Finding the Fourth Proportional to 539,430,693.59, 744,414,358.10 and 291,912,047.84

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Solution

The fourth proportional to 539,430,693.59, 744,414,358.10 and 291,912,047.84 is: 402,838,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,430,693.59 : 744,414,358.10 = 291,912,047.84 : x
  2. Step 2: Convert to fraction form
    539,430,693.59/744,414,358.10 = 291,912,047.84/x
  3. Step 3: Cross multiply
    539,430,693.59x = 744,414,358.10 × 291,912,047.84
  4. Step 4: Simplify right side
    539,430,693.59x = 217,303,519,709,288,448
  5. Step 5: Solve for x
    x = 217,303,519,709,288,448/539,430,693.59
  6. Step 6: Final answer
    x = 402,838,626.53

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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.