Home / 12,482,830,540.70-18,724,245,811.05-5,127,120,230.30

Finding the Fourth Proportional to 12,482,830,540.70, 18,724,245,811.05 and 5,127,120,230.30

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Solution

The fourth proportional to 12,482,830,540.70, 18,724,245,811.05 and 5,127,120,230.30 is: 7,690,680,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,830,540.70 : 18,724,245,811.05 = 5,127,120,230.30 : x
  2. Step 2: Convert to fraction form
    12,482,830,540.70/18,724,245,811.05 = 5,127,120,230.30/x
  3. Step 3: Cross multiply
    12,482,830,540.70x = 18,724,245,811.05 × 5,127,120,230.30
  4. Step 4: Simplify right side
    12,482,830,540.70x = 96,001,459,494,944,489,472
  5. Step 5: Solve for x
    x = 96,001,459,494,944,489,472/12,482,830,540.70
  6. Step 6: Final answer
    x = 7,690,680,345.45

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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.