Home / 8,428,727,414.98-12,638,953,965.82-4,169,497,713.86

Finding the Fourth Proportional to 8,428,727,414.98, 12,638,953,965.82 and 4,169,497,713.86

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Solution

The fourth proportional to 8,428,727,414.98, 12,638,953,965.82 and 4,169,497,713.86 is: 6,252,200,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,727,414.98 : 12,638,953,965.82 = 4,169,497,713.86 : x
  2. Step 2: Convert to fraction form
    8,428,727,414.98/12,638,953,965.82 = 4,169,497,713.86/x
  3. Step 3: Cross multiply
    8,428,727,414.98x = 12,638,953,965.82 × 4,169,497,713.86
  4. Step 4: Simplify right side
    8,428,727,414.98x = 52,698,089,666,068,267,008
  5. Step 5: Solve for x
    x = 52,698,089,666,068,267,008/8,428,727,414.98
  6. Step 6: Final answer
    x = 6,252,200,014.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.