Home / 419,235,269.90-628,969,567.38-182,905,470.78

Finding the Fourth Proportional to 419,235,269.90, 628,969,567.38 and 182,905,470.78

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Solution

The fourth proportional to 419,235,269.90, 628,969,567.38 and 182,905,470.78 is: 274,409,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,235,269.90 : 628,969,567.38 = 182,905,470.78 : x
  2. Step 2: Convert to fraction form
    419,235,269.90/628,969,567.38 = 182,905,470.78/x
  3. Step 3: Cross multiply
    419,235,269.90x = 628,969,567.38 × 182,905,470.78
  4. Step 4: Simplify right side
    419,235,269.90x = 115,041,974,829,316,528
  5. Step 5: Solve for x
    x = 115,041,974,829,316,528/419,235,269.90
  6. Step 6: Final answer
    x = 274,409,104.12

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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.