Home / 1,023,935,439.76-1,412,510,336.70-621,942,215.20

Finding the Fourth Proportional to 1,023,935,439.76, 1,412,510,336.70 and 621,942,215.20

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Solution

The fourth proportional to 1,023,935,439.76, 1,412,510,336.70 and 621,942,215.20 is: 857,964,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,935,439.76 : 1,412,510,336.70 = 621,942,215.20 : x
  2. Step 2: Convert to fraction form
    1,023,935,439.76/1,412,510,336.70 = 621,942,215.20/x
  3. Step 3: Cross multiply
    1,023,935,439.76x = 1,412,510,336.70 × 621,942,215.20
  4. Step 4: Simplify right side
    1,023,935,439.76x = 878,499,807,800,096,000
  5. Step 5: Solve for x
    x = 878,499,807,800,096,000/1,023,935,439.76
  6. Step 6: Final answer
    x = 857,964,060.71

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Double scale
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1.5x scale

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.