Home / 15,306,758,515.17-21,123,326,575.44-8,266,228,147.17

Finding the Fourth Proportional to 15,306,758,515.17, 21,123,326,575.44 and 8,266,228,147.17

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Solution

The fourth proportional to 15,306,758,515.17, 21,123,326,575.44 and 8,266,228,147.17 is: 11,407,394,748.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306,758,515.17 : 21,123,326,575.44 = 8,266,228,147.17 : x
  2. Step 2: Convert to fraction form
    15,306,758,515.17/21,123,326,575.44 = 8,266,228,147.17/x
  3. Step 3: Cross multiply
    15,306,758,515.17x = 21,123,326,575.44 × 8,266,228,147.17
  4. Step 4: Simplify right side
    15,306,758,515.17x = 174,610,236,699,766,194,176
  5. Step 5: Solve for x
    x = 174,610,236,699,766,194,176/15,306,758,515.17
  6. Step 6: Final answer
    x = 11,407,394,748.32

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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.