Home / 6,172,216,872.55-8,517,893,425.86-3,459,534,814.20

Finding the Fourth Proportional to 6,172,216,872.55, 8,517,893,425.86 and 3,459,534,814.20

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Solution

The fourth proportional to 6,172,216,872.55, 8,517,893,425.86 and 3,459,534,814.20 is: 4,774,289,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,216,872.55 : 8,517,893,425.86 = 3,459,534,814.20 : x
  2. Step 2: Convert to fraction form
    6,172,216,872.55/8,517,893,425.86 = 3,459,534,814.20/x
  3. Step 3: Cross multiply
    6,172,216,872.55x = 8,517,893,425.86 × 3,459,534,814.20
  4. Step 4: Simplify right side
    6,172,216,872.55x = 29,467,948,850,407,972,864
  5. Step 5: Solve for x
    x = 29,467,948,850,407,972,864/6,172,216,872.55
  6. Step 6: Final answer
    x = 4,774,289,280.32

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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.