Home / 788,178,773.70-1,182,268,160.55-497,941,128.90

Finding the Fourth Proportional to 788,178,773.70, 1,182,268,160.55 and 497,941,128.90

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Solution

The fourth proportional to 788,178,773.70, 1,182,268,160.55 and 497,941,128.90 is: 746,911,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,178,773.70 : 1,182,268,160.55 = 497,941,128.90 : x
  2. Step 2: Convert to fraction form
    788,178,773.70/1,182,268,160.55 = 497,941,128.90/x
  3. Step 3: Cross multiply
    788,178,773.70x = 1,182,268,160.55 × 497,941,128.90
  4. Step 4: Simplify right side
    788,178,773.70x = 588,699,942,526,793,344
  5. Step 5: Solve for x
    x = 588,699,942,526,793,344/788,178,773.70
  6. Step 6: Final answer
    x = 746,911,693.35

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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.