Home / 63,728,876,910.91-87,985,547,439.64-40,567,164,009.30

Finding the Fourth Proportional to 63,728,876,910.91, 87,985,547,439.64 and 40,567,164,009.30

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Solution

The fourth proportional to 63,728,876,910.91, 87,985,547,439.64 and 40,567,164,009.30 is: 56,007,955,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,728,876,910.91 : 87,985,547,439.64 = 40,567,164,009.30 : x
  2. Step 2: Convert to fraction form
    63,728,876,910.91/87,985,547,439.64 = 40,567,164,009.30/x
  3. Step 3: Cross multiply
    63,728,876,910.91x = 87,985,547,439.64 × 40,567,164,009.30
  4. Step 4: Simplify right side
    63,728,876,910.91x = 3,569,324,133,431,921,606,656
  5. Step 5: Solve for x
    x = 3,569,324,133,431,921,606,656/63,728,876,910.91
  6. Step 6: Final answer
    x = 56,007,955,991.79

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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.