Home / 504,158,812.20-756,238,218.30-418,065,370.20

Finding the Fourth Proportional to 504,158,812.20, 756,238,218.30 and 418,065,370.20

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Solution

The fourth proportional to 504,158,812.20, 756,238,218.30 and 418,065,370.20 is: 627,098,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,158,812.20 : 756,238,218.30 = 418,065,370.20 : x
  2. Step 2: Convert to fraction form
    504,158,812.20/756,238,218.30 = 418,065,370.20/x
  3. Step 3: Cross multiply
    504,158,812.20x = 756,238,218.30 × 418,065,370.20
  4. Step 4: Simplify right side
    504,158,812.20x = 316,157,010,692,977,856
  5. Step 5: Solve for x
    x = 316,157,010,692,977,856/504,158,812.20
  6. Step 6: Final answer
    x = 627,098,055.30

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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.