Home / 12,754,606,743.60-19,131,910,115.40-8,071,123,498.80

Finding the Fourth Proportional to 12,754,606,743.60, 19,131,910,115.40 and 8,071,123,498.80

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Solution

The fourth proportional to 12,754,606,743.60, 19,131,910,115.40 and 8,071,123,498.80 is: 12,106,685,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,606,743.60 : 19,131,910,115.40 = 8,071,123,498.80 : x
  2. Step 2: Convert to fraction form
    12,754,606,743.60/19,131,910,115.40 = 8,071,123,498.80/x
  3. Step 3: Cross multiply
    12,754,606,743.60x = 19,131,910,115.40 × 8,071,123,498.80
  4. Step 4: Simplify right side
    12,754,606,743.60x = 154,416,009,309,334,372,352
  5. Step 5: Solve for x
    x = 154,416,009,309,334,372,352/12,754,606,743.60
  6. Step 6: Final answer
    x = 12,106,685,248.20

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Double scale
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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.