Home / 565,687,830.31-780,717,165.92-342,662,968.10

Finding the Fourth Proportional to 565,687,830.31, 780,717,165.92 and 342,662,968.10

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Solution

The fourth proportional to 565,687,830.31, 780,717,165.92 and 342,662,968.10 is: 472,916,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,687,830.31 : 780,717,165.92 = 342,662,968.10 : x
  2. Step 2: Convert to fraction form
    565,687,830.31/780,717,165.92 = 342,662,968.10/x
  3. Step 3: Cross multiply
    565,687,830.31x = 780,717,165.92 × 342,662,968.10
  4. Step 4: Simplify right side
    565,687,830.31x = 267,522,861,320,718,144
  5. Step 5: Solve for x
    x = 267,522,861,320,718,144/565,687,830.31
  6. Step 6: Final answer
    x = 472,916,062.51

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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.