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Finding the Fourth Proportional to 885,736,701.55, 1,328,605,052.33 and 516,893,027.95

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Solution

The fourth proportional to 885,736,701.55, 1,328,605,052.33 and 516,893,027.95 is: 775,339,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,701.55 : 1,328,605,052.33 = 516,893,027.95 : x
  2. Step 2: Convert to fraction form
    885,736,701.55/1,328,605,052.33 = 516,893,027.95/x
  3. Step 3: Cross multiply
    885,736,701.55x = 1,328,605,052.33 × 516,893,027.95
  4. Step 4: Simplify right side
    885,736,701.55x = 686,746,688,448,521,856
  5. Step 5: Solve for x
    x = 686,746,688,448,521,856/885,736,701.55
  6. Step 6: Final answer
    x = 775,339,541.93

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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.