Home / 885,736,195.30-1,328,604,292.95-516,892,521.70

Finding the Fourth Proportional to 885,736,195.30, 1,328,604,292.95 and 516,892,521.70

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Solution

The fourth proportional to 885,736,195.30, 1,328,604,292.95 and 516,892,521.70 is: 775,338,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,195.30 : 1,328,604,292.95 = 516,892,521.70 : x
  2. Step 2: Convert to fraction form
    885,736,195.30/1,328,604,292.95 = 516,892,521.70/x
  3. Step 3: Cross multiply
    885,736,195.30x = 1,328,604,292.95 × 516,892,521.70
  4. Step 4: Simplify right side
    885,736,195.30x = 686,745,623,324,371,072
  5. Step 5: Solve for x
    x = 686,745,623,324,371,072/885,736,195.30
  6. Step 6: Final answer
    x = 775,338,782.55

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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.