Home / 1,145,164,920.60-1,718,251,265.70-531,433,234.20

Finding the Fourth Proportional to 1,145,164,920.60, 1,718,251,265.70 and 531,433,234.20

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Solution

The fourth proportional to 1,145,164,920.60, 1,718,251,265.70 and 531,433,234.20 is: 797,383,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,164,920.60 : 1,718,251,265.70 = 531,433,234.20 : x
  2. Step 2: Convert to fraction form
    1,145,164,920.60/1,718,251,265.70 = 531,433,234.20/x
  3. Step 3: Cross multiply
    1,145,164,920.60x = 1,718,251,265.70 × 531,433,234.20
  4. Step 4: Simplify right side
    1,145,164,920.60x = 913,135,827,299,194,496
  5. Step 5: Solve for x
    x = 913,135,827,299,194,496/1,145,164,920.60
  6. Step 6: Final answer
    x = 797,383,687.60

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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.