Home / 655,146,003.70-982,719,005.55-508,787,152.30

Finding the Fourth Proportional to 655,146,003.70, 982,719,005.55 and 508,787,152.30

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Solution

The fourth proportional to 655,146,003.70, 982,719,005.55 and 508,787,152.30 is: 763,180,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,146,003.70 : 982,719,005.55 = 508,787,152.30 : x
  2. Step 2: Convert to fraction form
    655,146,003.70/982,719,005.55 = 508,787,152.30/x
  3. Step 3: Cross multiply
    655,146,003.70x = 982,719,005.55 × 508,787,152.30
  4. Step 4: Simplify right side
    655,146,003.70x = 499,994,804,344,872,384
  5. Step 5: Solve for x
    x = 499,994,804,344,872,384/655,146,003.70
  6. Step 6: Final answer
    x = 763,180,728.45

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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.