Home / 510,780,141.92-766,170,223.04-122,602,972.32

Finding the Fourth Proportional to 510,780,141.92, 766,170,223.04 and 122,602,972.32

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Solution

The fourth proportional to 510,780,141.92, 766,170,223.04 and 122,602,972.32 is: 183,904,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,780,141.92 : 766,170,223.04 = 122,602,972.32 : x
  2. Step 2: Convert to fraction form
    510,780,141.92/766,170,223.04 = 122,602,972.32/x
  3. Step 3: Cross multiply
    510,780,141.92x = 766,170,223.04 × 122,602,972.32
  4. Step 4: Simplify right side
    510,780,141.92x = 93,934,746,647,781,344
  5. Step 5: Solve for x
    x = 93,934,746,647,781,344/510,780,141.92
  6. Step 6: Final answer
    x = 183,904,460.92

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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.