Home / 497,667,587.20-746,501,380.80-279,989,353.60

Finding the Fourth Proportional to 497,667,587.20, 746,501,380.80 and 279,989,353.60

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Solution

The fourth proportional to 497,667,587.20, 746,501,380.80 and 279,989,353.60 is: 419,984,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,667,587.20 : 746,501,380.80 = 279,989,353.60 : x
  2. Step 2: Convert to fraction form
    497,667,587.20/746,501,380.80 = 279,989,353.60/x
  3. Step 3: Cross multiply
    497,667,587.20x = 746,501,380.80 × 279,989,353.60
  4. Step 4: Simplify right side
    497,667,587.20x = 209,012,439,071,699,456
  5. Step 5: Solve for x
    x = 209,012,439,071,699,456/497,667,587.20
  6. Step 6: Final answer
    x = 419,984,030.40

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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.