Home / 52,793,797,301.90-72,856,821,071.20-28,709,227,531.56

Finding the Fourth Proportional to 52,793,797,301.90, 72,856,821,071.20 and 28,709,227,531.56

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Solution

The fourth proportional to 52,793,797,301.90, 72,856,821,071.20 and 28,709,227,531.56 is: 39,619,484,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,793,797,301.90 : 72,856,821,071.20 = 28,709,227,531.56 : x
  2. Step 2: Convert to fraction form
    52,793,797,301.90/72,856,821,071.20 = 28,709,227,531.56/x
  3. Step 3: Cross multiply
    52,793,797,301.90x = 72,856,821,071.20 × 28,709,227,531.56
  4. Step 4: Simplify right side
    52,793,797,301.90x = 2,091,663,053,359,235,727,360
  5. Step 5: Solve for x
    x = 2,091,663,053,359,235,727,360/52,793,797,301.90
  6. Step 6: Final answer
    x = 39,619,484,868.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.