Home / 497,278,475.20-744,482,822.10-439,882,847.20

Finding the Fourth Proportional to 497,278,475.20, 744,482,822.10 and 439,882,847.20

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Solution

The fourth proportional to 497,278,475.20, 744,482,822.10 and 439,882,847.20 is: 658,554,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,278,475.20 : 744,482,822.10 = 439,882,847.20 : x
  2. Step 2: Convert to fraction form
    497,278,475.20/744,482,822.10 = 439,882,847.20/x
  3. Step 3: Cross multiply
    497,278,475.20x = 744,482,822.10 × 439,882,847.20
  4. Step 4: Simplify right side
    497,278,475.20x = 327,485,223,476,839,104
  5. Step 5: Solve for x
    x = 327,485,223,476,839,104/497,278,475.20
  6. Step 6: Final answer
    x = 658,554,994.45

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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.