Home / 799,897,225.31-1,198,535,589.09-426,008,147.83

Finding the Fourth Proportional to 799,897,225.31, 1,198,535,589.09 and 426,008,147.83

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Solution

The fourth proportional to 799,897,225.31, 1,198,535,589.09 and 426,008,147.83 is: 638,314,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,897,225.31 : 1,198,535,589.09 = 426,008,147.83 : x
  2. Step 2: Convert to fraction form
    799,897,225.31/1,198,535,589.09 = 426,008,147.83/x
  3. Step 3: Cross multiply
    799,897,225.31x = 1,198,535,589.09 × 426,008,147.83
  4. Step 4: Simplify right side
    799,897,225.31x = 510,585,926,416,276,288
  5. Step 5: Solve for x
    x = 510,585,926,416,276,288/799,897,225.31
  6. Step 6: Final answer
    x = 638,314,411.23

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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.