Home / 556,416,899.20-834,625,348.80-192,790,403.20

Finding the Fourth Proportional to 556,416,899.20, 834,625,348.80 and 192,790,403.20

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Solution

The fourth proportional to 556,416,899.20, 834,625,348.80 and 192,790,403.20 is: 289,185,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,416,899.20 : 834,625,348.80 = 192,790,403.20 : x
  2. Step 2: Convert to fraction form
    556,416,899.20/834,625,348.80 = 192,790,403.20/x
  3. Step 3: Cross multiply
    556,416,899.20x = 834,625,348.80 × 192,790,403.20
  4. Step 4: Simplify right side
    556,416,899.20x = 160,907,757,516,092,608
  5. Step 5: Solve for x
    x = 160,907,757,516,092,608/556,416,899.20
  6. Step 6: Final answer
    x = 289,185,604.80

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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.