Home / 516,224,318.06-712,389,661.44-281,274,978.53

Finding the Fourth Proportional to 516,224,318.06, 712,389,661.44 and 281,274,978.53

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Solution

The fourth proportional to 516,224,318.06, 712,389,661.44 and 281,274,978.53 is: 388,159,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,224,318.06 : 712,389,661.44 = 281,274,978.53 : x
  2. Step 2: Convert to fraction form
    516,224,318.06/712,389,661.44 = 281,274,978.53/x
  3. Step 3: Cross multiply
    516,224,318.06x = 712,389,661.44 × 281,274,978.53
  4. Step 4: Simplify right side
    516,224,318.06x = 200,377,386,727,256,160
  5. Step 5: Solve for x
    x = 200,377,386,727,256,160/516,224,318.06
  6. Step 6: Final answer
    x = 388,159,526.23

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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.