Home / 516,224,607.69-712,390,060.79-281,275,268.31

Finding the Fourth Proportional to 516,224,607.69, 712,390,060.79 and 281,275,268.31

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Solution

The fourth proportional to 516,224,607.69, 712,390,060.79 and 281,275,268.31 is: 388,159,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,224,607.69 : 712,390,060.79 = 281,275,268.31 : x
  2. Step 2: Convert to fraction form
    516,224,607.69/712,390,060.79 = 281,275,268.31/x
  3. Step 3: Cross multiply
    516,224,607.69x = 712,390,060.79 × 281,275,268.31
  4. Step 4: Simplify right side
    516,224,607.69x = 200,377,705,490,084,448
  5. Step 5: Solve for x
    x = 200,377,705,490,084,448/516,224,607.69
  6. Step 6: Final answer
    x = 388,159,925.94

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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.