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Finding the Fourth Proportional to 885,736,700.55, 1,328,605,050.83 and 516,893,026.95

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Solution

The fourth proportional to 885,736,700.55, 1,328,605,050.83 and 516,893,026.95 is: 775,339,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,700.55 : 1,328,605,050.83 = 516,893,026.95 : x
  2. Step 2: Convert to fraction form
    885,736,700.55/1,328,605,050.83 = 516,893,026.95/x
  3. Step 3: Cross multiply
    885,736,700.55x = 1,328,605,050.83 × 516,893,026.95
  4. Step 4: Simplify right side
    885,736,700.55x = 686,746,686,341,992,832
  5. Step 5: Solve for x
    x = 686,746,686,341,992,832/885,736,700.55
  6. Step 6: Final answer
    x = 775,339,540.43

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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.