Home / 508,411,007.10-762,616,510.65-144,858,123.90

Finding the Fourth Proportional to 508,411,007.10, 762,616,510.65 and 144,858,123.90

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Solution

The fourth proportional to 508,411,007.10, 762,616,510.65 and 144,858,123.90 is: 217,287,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,411,007.10 : 762,616,510.65 = 144,858,123.90 : x
  2. Step 2: Convert to fraction form
    508,411,007.10/762,616,510.65 = 144,858,123.90/x
  3. Step 3: Cross multiply
    508,411,007.10x = 762,616,510.65 × 144,858,123.90
  4. Step 4: Simplify right side
    508,411,007.10x = 110,471,196,987,923,376
  5. Step 5: Solve for x
    x = 110,471,196,987,923,376/508,411,007.10
  6. Step 6: Final answer
    x = 217,287,185.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.