Home / 521,592,912.90-782,389,369.35-158,040,029.70

Finding the Fourth Proportional to 521,592,912.90, 782,389,369.35 and 158,040,029.70

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Solution

The fourth proportional to 521,592,912.90, 782,389,369.35 and 158,040,029.70 is: 237,060,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,592,912.90 : 782,389,369.35 = 158,040,029.70 : x
  2. Step 2: Convert to fraction form
    521,592,912.90/782,389,369.35 = 158,040,029.70/x
  3. Step 3: Cross multiply
    521,592,912.90x = 782,389,369.35 × 158,040,029.70
  4. Step 4: Simplify right side
    521,592,912.90x = 123,648,839,169,038,272
  5. Step 5: Solve for x
    x = 123,648,839,169,038,272/521,592,912.90
  6. Step 6: Final answer
    x = 237,060,044.55

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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.