Home / 497,704,446.80-746,556,670.20-394,911,947.60

Finding the Fourth Proportional to 497,704,446.80, 746,556,670.20 and 394,911,947.60

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Solution

The fourth proportional to 497,704,446.80, 746,556,670.20 and 394,911,947.60 is: 592,367,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,704,446.80 : 746,556,670.20 = 394,911,947.60 : x
  2. Step 2: Convert to fraction form
    497,704,446.80/746,556,670.20 = 394,911,947.60/x
  3. Step 3: Cross multiply
    497,704,446.80x = 746,556,670.20 × 394,911,947.60
  4. Step 4: Simplify right side
    497,704,446.80x = 294,824,148,622,452,928
  5. Step 5: Solve for x
    x = 294,824,148,622,452,928/497,704,446.80
  6. Step 6: Final answer
    x = 592,367,921.40

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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.