Home / 497,278,618.20-744,483,036.60-439,882,990.20

Finding the Fourth Proportional to 497,278,618.20, 744,483,036.60 and 439,882,990.20

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Solution

The fourth proportional to 497,278,618.20, 744,483,036.60 and 439,882,990.20 is: 658,555,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,278,618.20 : 744,483,036.60 = 439,882,990.20 : x
  2. Step 2: Convert to fraction form
    497,278,618.20/744,483,036.60 = 439,882,990.20/x
  3. Step 3: Cross multiply
    497,278,618.20x = 744,483,036.60 × 439,882,990.20
  4. Step 4: Simplify right side
    497,278,618.20x = 327,485,424,292,784,064
  5. Step 5: Solve for x
    x = 327,485,424,292,784,064/497,278,618.20
  6. Step 6: Final answer
    x = 658,555,208.91

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1.5x scale

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.