Home / 840,969,001.20-1,261,453,501.80-496,595,233.20

Finding the Fourth Proportional to 840,969,001.20, 1,261,453,501.80 and 496,595,233.20

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Solution

The fourth proportional to 840,969,001.20, 1,261,453,501.80 and 496,595,233.20 is: 744,892,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,969,001.20 : 1,261,453,501.80 = 496,595,233.20 : x
  2. Step 2: Convert to fraction form
    840,969,001.20/1,261,453,501.80 = 496,595,233.20/x
  3. Step 3: Cross multiply
    840,969,001.20x = 1,261,453,501.80 × 496,595,233.20
  4. Step 4: Simplify right side
    840,969,001.20x = 626,431,795,897,327,616
  5. Step 5: Solve for x
    x = 626,431,795,897,327,616/840,969,001.20
  6. Step 6: Final answer
    x = 744,892,849.80

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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.