Home / 28,214,081,510.38-38,935,438,839.67-15,526,817,176.27

Finding the Fourth Proportional to 28,214,081,510.38, 38,935,438,839.67 and 15,526,817,176.27

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Solution

The fourth proportional to 28,214,081,510.38, 38,935,438,839.67 and 15,526,817,176.27 is: 21,427,011,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214,081,510.38 : 38,935,438,839.67 = 15,526,817,176.27 : x
  2. Step 2: Convert to fraction form
    28,214,081,510.38/38,935,438,839.67 = 15,526,817,176.27/x
  3. Step 3: Cross multiply
    28,214,081,510.38x = 38,935,438,839.67 × 15,526,817,176.27
  4. Step 4: Simplify right side
    28,214,081,510.38x = 604,543,440,541,491,527,680
  5. Step 5: Solve for x
    x = 604,543,440,541,491,527,680/28,214,081,510.38
  6. Step 6: Final answer
    x = 21,427,011,200.74

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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.