Home / 2,988,142,745.70-4,482,214,118.55-917,861,186.10

Finding the Fourth Proportional to 2,988,142,745.70, 4,482,214,118.55 and 917,861,186.10

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Solution

The fourth proportional to 2,988,142,745.70, 4,482,214,118.55 and 917,861,186.10 is: 1,376,791,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,142,745.70 : 4,482,214,118.55 = 917,861,186.10 : x
  2. Step 2: Convert to fraction form
    2,988,142,745.70/4,482,214,118.55 = 917,861,186.10/x
  3. Step 3: Cross multiply
    2,988,142,745.70x = 4,482,214,118.55 × 917,861,186.10
  4. Step 4: Simplify right side
    2,988,142,745.70x = 4,114,050,367,206,469,120
  5. Step 5: Solve for x
    x = 4,114,050,367,206,469,120/2,988,142,745.70
  6. Step 6: Final answer
    x = 1,376,791,779.15

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Double scale
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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.