Home / 885,736,722.80-1,328,605,084.20-516,893,049.20

Finding the Fourth Proportional to 885,736,722.80, 1,328,605,084.20 and 516,893,049.20

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Solution

The fourth proportional to 885,736,722.80, 1,328,605,084.20 and 516,893,049.20 is: 775,339,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,722.80 : 1,328,605,084.20 = 516,893,049.20 : x
  2. Step 2: Convert to fraction form
    885,736,722.80/1,328,605,084.20 = 516,893,049.20/x
  3. Step 3: Cross multiply
    885,736,722.80x = 1,328,605,084.20 × 516,893,049.20
  4. Step 4: Simplify right side
    885,736,722.80x = 686,746,733,154,760,704
  5. Step 5: Solve for x
    x = 686,746,733,154,760,704/885,736,722.80
  6. Step 6: Final answer
    x = 775,339,573.80

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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.