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Finding the Fourth Proportional to 637,834,158.40, 895,386,468.80 and 637,834,158.40

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Solution

The fourth proportional to 637,834,158.40, 895,386,468.80 and 637,834,158.40 is: 895,386,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,834,158.40 : 895,386,468.80 = 637,834,158.40 : x
  2. Step 2: Convert to fraction form
    637,834,158.40/895,386,468.80 = 637,834,158.40/x
  3. Step 3: Cross multiply
    637,834,158.40x = 895,386,468.80 × 637,834,158.40
  4. Step 4: Simplify right side
    637,834,158.40x = 571,108,074,769,795,776
  5. Step 5: Solve for x
    x = 571,108,074,769,795,776/637,834,158.40
  6. Step 6: Final answer
    x = 895,386,468.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.