Home / 724,367,931.90-1,086,693,615.45-309,843,951.90

Finding the Fourth Proportional to 724,367,931.90, 1,086,693,615.45 and 309,843,951.90

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Solution

The fourth proportional to 724,367,931.90, 1,086,693,615.45 and 309,843,951.90 is: 464,826,546.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,367,931.90 : 1,086,693,615.45 = 309,843,951.90 : x
  2. Step 2: Convert to fraction form
    724,367,931.90/1,086,693,615.45 = 309,843,951.90/x
  3. Step 3: Cross multiply
    724,367,931.90x = 1,086,693,615.45 × 309,843,951.90
  4. Step 4: Simplify right side
    724,367,931.90x = 336,705,444,315,526,912
  5. Step 5: Solve for x
    x = 336,705,444,315,526,912/724,367,931.90
  6. Step 6: Final answer
    x = 464,826,546.69

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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.