Home / 520,592,960,552.24-781,190,711,275.80-218,378,496,836.72

Finding the Fourth Proportional to 520,592,960,552.24, 781,190,711,275.80 and 218,378,496,836.72

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Solution

The fourth proportional to 520,592,960,552.24, 781,190,711,275.80 and 218,378,496,836.72 is: 327,694,122,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,592,960,552.24 : 781,190,711,275.80 = 218,378,496,836.72 : x
  2. Step 2: Convert to fraction form
    520,592,960,552.24/781,190,711,275.80 = 218,378,496,836.72/x
  3. Step 3: Cross multiply
    520,592,960,552.24x = 781,190,711,275.80 × 218,378,496,836.72
  4. Step 4: Simplify right side
    520,592,960,552.24x = 170,595,253,271,217,355,882,496
  5. Step 5: Solve for x
    x = 170,595,253,271,217,355,882,496/520,592,960,552.24
  6. Step 6: Final answer
    x = 327,694,122,275.98

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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.