Home / 520,838,566.46-784,375,685.68-474,348,107.78

Finding the Fourth Proportional to 520,838,566.46, 784,375,685.68 and 474,348,107.78

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Solution

The fourth proportional to 520,838,566.46, 784,375,685.68 and 474,348,107.78 is: 714,361,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,838,566.46 : 784,375,685.68 = 474,348,107.78 : x
  2. Step 2: Convert to fraction form
    520,838,566.46/784,375,685.68 = 474,348,107.78/x
  3. Step 3: Cross multiply
    520,838,566.46x = 784,375,685.68 × 474,348,107.78
  4. Step 4: Simplify right side
    520,838,566.46x = 372,067,122,288,576,256
  5. Step 5: Solve for x
    x = 372,067,122,288,576,256/520,838,566.46
  6. Step 6: Final answer
    x = 714,361,697.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.