Home / 655,966,551.10-984,198,335.46-393,834,159.94

Finding the Fourth Proportional to 655,966,551.10, 984,198,335.46 and 393,834,159.94

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Solution

The fourth proportional to 655,966,551.10, 984,198,335.46 and 393,834,159.94 is: 590,900,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,966,551.10 : 984,198,335.46 = 393,834,159.94 : x
  2. Step 2: Convert to fraction form
    655,966,551.10/984,198,335.46 = 393,834,159.94/x
  3. Step 3: Cross multiply
    655,966,551.10x = 984,198,335.46 × 393,834,159.94
  4. Step 4: Simplify right side
    655,966,551.10x = 387,610,924,660,235,456
  5. Step 5: Solve for x
    x = 387,610,924,660,235,456/655,966,551.10
  6. Step 6: Final answer
    x = 590,900,441.51

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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.