Home / 10,266,471,931.70-15,399,707,897.55-2,511,684,859.70

Finding the Fourth Proportional to 10,266,471,931.70, 15,399,707,897.55 and 2,511,684,859.70

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Solution

The fourth proportional to 10,266,471,931.70, 15,399,707,897.55 and 2,511,684,859.70 is: 3,767,527,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266,471,931.70 : 15,399,707,897.55 = 2,511,684,859.70 : x
  2. Step 2: Convert to fraction form
    10,266,471,931.70/15,399,707,897.55 = 2,511,684,859.70/x
  3. Step 3: Cross multiply
    10,266,471,931.70x = 15,399,707,897.55 × 2,511,684,859.70
  4. Step 4: Simplify right side
    10,266,471,931.70x = 38,679,213,170,078,851,072
  5. Step 5: Solve for x
    x = 38,679,213,170,078,851,072/10,266,471,931.70
  6. Step 6: Final answer
    x = 3,767,527,289.55

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Double scale
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Similar ratio
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1.5x scale

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.