Home / 591,620,821.20-885,730,620.60-362,038,309.20

Finding the Fourth Proportional to 591,620,821.20, 885,730,620.60 and 362,038,309.20

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Solution

The fourth proportional to 591,620,821.20, 885,730,620.60 and 362,038,309.20 is: 542,016,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,620,821.20 : 885,730,620.60 = 362,038,309.20 : x
  2. Step 2: Convert to fraction form
    591,620,821.20/885,730,620.60 = 362,038,309.20/x
  3. Step 3: Cross multiply
    591,620,821.20x = 885,730,620.60 × 362,038,309.20
  4. Step 4: Simplify right side
    591,620,821.20x = 320,668,416,288,690,688
  5. Step 5: Solve for x
    x = 320,668,416,288,690,688/591,620,821.20
  6. Step 6: Final answer
    x = 542,016,786.42

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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.