Home / 472,403,884.20-708,605,826.30-406,646,917.80

Finding the Fourth Proportional to 472,403,884.20, 708,605,826.30 and 406,646,917.80

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Solution

The fourth proportional to 472,403,884.20, 708,605,826.30 and 406,646,917.80 is: 609,970,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,403,884.20 : 708,605,826.30 = 406,646,917.80 : x
  2. Step 2: Convert to fraction form
    472,403,884.20/708,605,826.30 = 406,646,917.80/x
  3. Step 3: Cross multiply
    472,403,884.20x = 708,605,826.30 × 406,646,917.80
  4. Step 4: Simplify right side
    472,403,884.20x = 288,152,375,200,017,152
  5. Step 5: Solve for x
    x = 288,152,375,200,017,152/472,403,884.20
  6. Step 6: Final answer
    x = 609,970,376.70

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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.