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Finding the Fourth Proportional to 532,992,018.30, 799,488,027.45 and 411,910,367.10

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Solution

The fourth proportional to 532,992,018.30, 799,488,027.45 and 411,910,367.10 is: 617,865,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,992,018.30 : 799,488,027.45 = 411,910,367.10 : x
  2. Step 2: Convert to fraction form
    532,992,018.30/799,488,027.45 = 411,910,367.10/x
  3. Step 3: Cross multiply
    532,992,018.30x = 799,488,027.45 × 411,910,367.10
  4. Step 4: Simplify right side
    532,992,018.30x = 329,317,406,878,984,384
  5. Step 5: Solve for x
    x = 329,317,406,878,984,384/532,992,018.30
  6. Step 6: Final answer
    x = 617,865,550.65

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Double scale
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Similar ratio
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1.5x scale

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.