Home / 1,147,396,591.90-1,721,094,887.85-371,120,723.20

Finding the Fourth Proportional to 1,147,396,591.90, 1,721,094,887.85 and 371,120,723.20

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Solution

The fourth proportional to 1,147,396,591.90, 1,721,094,887.85 and 371,120,723.20 is: 556,681,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,396,591.90 : 1,721,094,887.85 = 371,120,723.20 : x
  2. Step 2: Convert to fraction form
    1,147,396,591.90/1,721,094,887.85 = 371,120,723.20/x
  3. Step 3: Cross multiply
    1,147,396,591.90x = 1,721,094,887.85 × 371,120,723.20
  4. Step 4: Simplify right side
    1,147,396,591.90x = 638,733,979,474,714,880
  5. Step 5: Solve for x
    x = 638,733,979,474,714,880/1,147,396,591.90
  6. Step 6: Final answer
    x = 556,681,084.80

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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.