Home / 1,036,954,720.60-1,555,432,080.90-423,335,008.60

Finding the Fourth Proportional to 1,036,954,720.60, 1,555,432,080.90 and 423,335,008.60

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Solution

The fourth proportional to 1,036,954,720.60, 1,555,432,080.90 and 423,335,008.60 is: 635,002,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,954,720.60 : 1,555,432,080.90 = 423,335,008.60 : x
  2. Step 2: Convert to fraction form
    1,036,954,720.60/1,555,432,080.90 = 423,335,008.60/x
  3. Step 3: Cross multiply
    1,036,954,720.60x = 1,555,432,080.90 × 423,335,008.60
  4. Step 4: Simplify right side
    1,036,954,720.60x = 658,468,853,344,517,504
  5. Step 5: Solve for x
    x = 658,468,853,344,517,504/1,036,954,720.60
  6. Step 6: Final answer
    x = 635,002,512.90

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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.