Home / 655,146,005.20-982,719,007.80-508,787,153.80

Finding the Fourth Proportional to 655,146,005.20, 982,719,007.80 and 508,787,153.80

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Solution

The fourth proportional to 655,146,005.20, 982,719,007.80 and 508,787,153.80 is: 763,180,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,146,005.20 : 982,719,007.80 = 508,787,153.80 : x
  2. Step 2: Convert to fraction form
    655,146,005.20/982,719,007.80 = 508,787,153.80/x
  3. Step 3: Cross multiply
    655,146,005.20x = 982,719,007.80 × 508,787,153.80
  4. Step 4: Simplify right side
    655,146,005.20x = 499,994,806,963,721,984
  5. Step 5: Solve for x
    x = 499,994,806,963,721,984/655,146,005.20
  6. Step 6: Final answer
    x = 763,180,730.70

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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.