Home / 442,868,016.60-664,302,024.90-297,749,194.20

Finding the Fourth Proportional to 442,868,016.60, 664,302,024.90 and 297,749,194.20

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Solution

The fourth proportional to 442,868,016.60, 664,302,024.90 and 297,749,194.20 is: 446,623,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,016.60 : 664,302,024.90 = 297,749,194.20 : x
  2. Step 2: Convert to fraction form
    442,868,016.60/664,302,024.90 = 297,749,194.20/x
  3. Step 3: Cross multiply
    442,868,016.60x = 664,302,024.90 × 297,749,194.20
  4. Step 4: Simplify right side
    442,868,016.60x = 197,795,392,619,403,328
  5. Step 5: Solve for x
    x = 197,795,392,619,403,328/442,868,016.60
  6. Step 6: Final answer
    x = 446,623,791.30

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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.