Home / 754,029,037.60-1,131,043,556.40-391,231,981.60

Finding the Fourth Proportional to 754,029,037.60, 1,131,043,556.40 and 391,231,981.60

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Solution

The fourth proportional to 754,029,037.60, 1,131,043,556.40 and 391,231,981.60 is: 586,847,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,029,037.60 : 1,131,043,556.40 = 391,231,981.60 : x
  2. Step 2: Convert to fraction form
    754,029,037.60/1,131,043,556.40 = 391,231,981.60/x
  3. Step 3: Cross multiply
    754,029,037.60x = 1,131,043,556.40 × 391,231,981.60
  4. Step 4: Simplify right side
    754,029,037.60x = 442,500,411,846,283,456
  5. Step 5: Solve for x
    x = 442,500,411,846,283,456/754,029,037.60
  6. Step 6: Final answer
    x = 586,847,972.40

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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.