Home / 1,012,378,885.76-1,397,084,913.17-566,349,697.56

Finding the Fourth Proportional to 1,012,378,885.76, 1,397,084,913.17 and 566,349,697.56

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Solution

The fourth proportional to 1,012,378,885.76, 1,397,084,913.17 and 566,349,697.56 is: 781,563,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,378,885.76 : 1,397,084,913.17 = 566,349,697.56 : x
  2. Step 2: Convert to fraction form
    1,012,378,885.76/1,397,084,913.17 = 566,349,697.56/x
  3. Step 3: Cross multiply
    1,012,378,885.76x = 1,397,084,913.17 × 566,349,697.56
  4. Step 4: Simplify right side
    1,012,378,885.76x = 791,238,618,039,375,872
  5. Step 5: Solve for x
    x = 791,238,618,039,375,872/1,012,378,885.76
  6. Step 6: Final answer
    x = 781,563,729.91

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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.