Home / 497,665,612.40-746,498,418.60-439,214,975.60

Finding the Fourth Proportional to 497,665,612.40, 746,498,418.60 and 439,214,975.60

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Solution

The fourth proportional to 497,665,612.40, 746,498,418.60 and 439,214,975.60 is: 658,822,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,665,612.40 : 746,498,418.60 = 439,214,975.60 : x
  2. Step 2: Convert to fraction form
    497,665,612.40/746,498,418.60 = 439,214,975.60/x
  3. Step 3: Cross multiply
    497,665,612.40x = 746,498,418.60 × 439,214,975.60
  4. Step 4: Simplify right side
    497,665,612.40x = 327,873,284,710,837,632
  5. Step 5: Solve for x
    x = 327,873,284,710,837,632/497,665,612.40
  6. Step 6: Final answer
    x = 658,822,463.40

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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.