Home / 543,964,339.20-750,648,888.32-296,440,378.88

Finding the Fourth Proportional to 543,964,339.20, 750,648,888.32 and 296,440,378.88

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Solution

The fourth proportional to 543,964,339.20, 750,648,888.32 and 296,440,378.88 is: 409,075,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,964,339.20 : 750,648,888.32 = 296,440,378.88 : x
  2. Step 2: Convert to fraction form
    543,964,339.20/750,648,888.32 = 296,440,378.88/x
  3. Step 3: Cross multiply
    543,964,339.20x = 750,648,888.32 × 296,440,378.88
  4. Step 4: Simplify right side
    543,964,339.20x = 222,522,640,859,431,616
  5. Step 5: Solve for x
    x = 222,522,640,859,431,616/543,964,339.20
  6. Step 6: Final answer
    x = 409,075,788.29

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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.