Home / 565,676,372.30-780,701,351.78-342,651,510.08

Finding the Fourth Proportional to 565,676,372.30, 780,701,351.78 and 342,651,510.08

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Solution

The fourth proportional to 565,676,372.30, 780,701,351.78 and 342,651,510.08 is: 472,900,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,676,372.30 : 780,701,351.78 = 342,651,510.08 : x
  2. Step 2: Convert to fraction form
    565,676,372.30/780,701,351.78 = 342,651,510.08/x
  3. Step 3: Cross multiply
    565,676,372.30x = 780,701,351.78 × 342,651,510.08
  4. Step 4: Simplify right side
    565,676,372.30x = 267,508,497,103,297,504
  5. Step 5: Solve for x
    x = 267,508,497,103,297,504/565,676,372.30
  6. Step 6: Final answer
    x = 472,900,248.63

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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.