Home / 571,328,352.40-788,441,765.20-320,488,348.24

Finding the Fourth Proportional to 571,328,352.40, 788,441,765.20 and 320,488,348.24

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Solution

The fourth proportional to 571,328,352.40, 788,441,765.20 and 320,488,348.24 is: 442,278,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,328,352.40 : 788,441,765.20 = 320,488,348.24 : x
  2. Step 2: Convert to fraction form
    571,328,352.40/788,441,765.20 = 320,488,348.24/x
  3. Step 3: Cross multiply
    571,328,352.40x = 788,441,765.20 × 320,488,348.24
  4. Step 4: Simplify right side
    571,328,352.40x = 252,686,399,012,377,952
  5. Step 5: Solve for x
    x = 252,686,399,012,377,952/571,328,352.40
  6. Step 6: Final answer
    x = 442,278,766.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.