Home / 12,019,980,952.78-16,587,512,612.12-6,667,485,898.12

Finding the Fourth Proportional to 12,019,980,952.78, 16,587,512,612.12 and 6,667,485,898.12

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Solution

The fourth proportional to 12,019,980,952.78, 16,587,512,612.12 and 6,667,485,898.12 is: 9,201,096,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,980,952.78 : 16,587,512,612.12 = 6,667,485,898.12 : x
  2. Step 2: Convert to fraction form
    12,019,980,952.78/16,587,512,612.12 = 6,667,485,898.12/x
  3. Step 3: Cross multiply
    12,019,980,952.78x = 16,587,512,612.12 × 6,667,485,898.12
  4. Step 4: Simplify right side
    12,019,980,952.78x = 110,597,006,426,197,753,856
  5. Step 5: Solve for x
    x = 110,597,006,426,197,753,856/12,019,980,952.78
  6. Step 6: Final answer
    x = 9,201,096,645.72

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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.