Home / 12,068,007,186.88-16,655,299,732.96-7,310,143,459.84

Finding the Fourth Proportional to 12,068,007,186.88, 16,655,299,732.96 and 7,310,143,459.84

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Solution

The fourth proportional to 12,068,007,186.88, 16,655,299,732.96 and 7,310,143,459.84 is: 10,088,876,193.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068,007,186.88 : 16,655,299,732.96 = 7,310,143,459.84 : x
  2. Step 2: Convert to fraction form
    12,068,007,186.88/16,655,299,732.96 = 7,310,143,459.84/x
  3. Step 3: Cross multiply
    12,068,007,186.88x = 16,655,299,732.96 × 7,310,143,459.84
  4. Step 4: Simplify right side
    12,068,007,186.88x = 121,752,630,414,572,437,504
  5. Step 5: Solve for x
    x = 121,752,630,414,572,437,504/12,068,007,186.88
  6. Step 6: Final answer
    x = 10,088,876,193.82

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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.