Home / 1,778,472,289.27-2,454,306,381.01-985,531,510.30

Finding the Fourth Proportional to 1,778,472,289.27, 2,454,306,381.01 and 985,531,510.30

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Solution

The fourth proportional to 1,778,472,289.27, 2,454,306,381.01 and 985,531,510.30 is: 1,360,041,586.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,472,289.27 : 2,454,306,381.01 = 985,531,510.30 : x
  2. Step 2: Convert to fraction form
    1,778,472,289.27/2,454,306,381.01 = 985,531,510.30/x
  3. Step 3: Cross multiply
    1,778,472,289.27x = 2,454,306,381.01 × 985,531,510.30
  4. Step 4: Simplify right side
    1,778,472,289.27x = 2,418,796,274,418,654,720
  5. Step 5: Solve for x
    x = 2,418,796,274,418,654,720/1,778,472,289.27
  6. Step 6: Final answer
    x = 1,360,041,586.82

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Double scale
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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.