Home / 643,690,059.21-965,679,018.02-234,746,209.71

Finding the Fourth Proportional to 643,690,059.21, 965,679,018.02 and 234,746,209.71

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Solution

The fourth proportional to 643,690,059.21, 965,679,018.02 and 234,746,209.71 is: 352,171,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,690,059.21 : 965,679,018.02 = 234,746,209.71 : x
  2. Step 2: Convert to fraction form
    643,690,059.21/965,679,018.02 = 234,746,209.71/x
  3. Step 3: Cross multiply
    643,690,059.21x = 965,679,018.02 × 234,746,209.71
  4. Step 4: Simplify right side
    643,690,059.21x = 226,689,489,275,496,064
  5. Step 5: Solve for x
    x = 226,689,489,275,496,064/643,690,059.21
  6. Step 6: Final answer
    x = 352,171,803.85

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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.