Home / 1,250,762,399.28-1,876,431,822.84-432,874,697.04

Finding the Fourth Proportional to 1,250,762,399.28, 1,876,431,822.84 and 432,874,697.04

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Solution

The fourth proportional to 1,250,762,399.28, 1,876,431,822.84 and 432,874,697.04 is: 649,411,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,762,399.28 : 1,876,431,822.84 = 432,874,697.04 : x
  2. Step 2: Convert to fraction form
    1,250,762,399.28/1,876,431,822.84 = 432,874,697.04/x
  3. Step 3: Cross multiply
    1,250,762,399.28x = 1,876,431,822.84 × 432,874,697.04
  4. Step 4: Simplify right side
    1,250,762,399.28x = 812,259,856,828,080,000
  5. Step 5: Solve for x
    x = 812,259,856,828,080,000/1,250,762,399.28
  6. Step 6: Final answer
    x = 649,411,796.59

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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.