Home / 655,966,551.60-984,198,336.21-393,834,160.44

Finding the Fourth Proportional to 655,966,551.60, 984,198,336.21 and 393,834,160.44

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Solution

The fourth proportional to 655,966,551.60, 984,198,336.21 and 393,834,160.44 is: 590,900,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,966,551.60 : 984,198,336.21 = 393,834,160.44 : x
  2. Step 2: Convert to fraction form
    655,966,551.60/984,198,336.21 = 393,834,160.44/x
  3. Step 3: Cross multiply
    655,966,551.60x = 984,198,336.21 × 393,834,160.44
  4. Step 4: Simplify right side
    655,966,551.60x = 387,610,925,447,710,208
  5. Step 5: Solve for x
    x = 387,610,925,447,710,208/655,966,551.60
  6. Step 6: Final answer
    x = 590,900,442.26

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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.