Home / 445,304,832.30-668,217,720.15-186,498,314.10

Finding the Fourth Proportional to 445,304,832.30, 668,217,720.15 and 186,498,314.10

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Solution

The fourth proportional to 445,304,832.30, 668,217,720.15 and 186,498,314.10 is: 279,856,559.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,304,832.30 : 668,217,720.15 = 186,498,314.10 : x
  2. Step 2: Convert to fraction form
    445,304,832.30/668,217,720.15 = 186,498,314.10/x
  3. Step 3: Cross multiply
    445,304,832.30x = 668,217,720.15 × 186,498,314.10
  4. Step 4: Simplify right side
    445,304,832.30x = 124,621,478,259,720,592
  5. Step 5: Solve for x
    x = 124,621,478,259,720,592/445,304,832.30
  6. Step 6: Final answer
    x = 279,856,559.42

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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.