Home / 12,482,830,531.70-18,724,245,797.55-5,127,120,221.30

Finding the Fourth Proportional to 12,482,830,531.70, 18,724,245,797.55 and 5,127,120,221.30

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Solution

The fourth proportional to 12,482,830,531.70, 18,724,245,797.55 and 5,127,120,221.30 is: 7,690,680,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,830,531.70 : 18,724,245,797.55 = 5,127,120,221.30 : x
  2. Step 2: Convert to fraction form
    12,482,830,531.70/18,724,245,797.55 = 5,127,120,221.30/x
  3. Step 3: Cross multiply
    12,482,830,531.70x = 18,724,245,797.55 × 5,127,120,221.30
  4. Step 4: Simplify right side
    12,482,830,531.70x = 96,001,459,257,210,142,720
  5. Step 5: Solve for x
    x = 96,001,459,257,210,142,720/12,482,830,531.70
  6. Step 6: Final answer
    x = 7,690,680,331.95

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Double scale
Find fourth proportional to 12,482,830,532.70, 18,724,245,799.05 and 5,127,120,222.30
Similar ratio
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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.