Home / 8,628,541,003.68-11,915,610,278.87-8,158,464,056.61

Finding the Fourth Proportional to 8,628,541,003.68, 11,915,610,278.87 and 8,158,464,056.61

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Solution

The fourth proportional to 8,628,541,003.68, 11,915,610,278.87 and 8,158,464,056.61 is: 11,266,456,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628,541,003.68 : 11,915,610,278.87 = 8,158,464,056.61 : x
  2. Step 2: Convert to fraction form
    8,628,541,003.68/11,915,610,278.87 = 8,158,464,056.61/x
  3. Step 3: Cross multiply
    8,628,541,003.68x = 11,915,610,278.87 × 8,158,464,056.61
  4. Step 4: Simplify right side
    8,628,541,003.68x = 97,213,078,172,749,856,768
  5. Step 5: Solve for x
    x = 97,213,078,172,749,856,768/8,628,541,003.68
  6. Step 6: Final answer
    x = 11,266,456,070.77

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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.