Home / 418,546,695.56-626,284,556.58-349,288,531.16

Finding the Fourth Proportional to 418,546,695.56, 626,284,556.58 and 349,288,531.16

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Solution

The fourth proportional to 418,546,695.56, 626,284,556.58 and 349,288,531.16 is: 522,651,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,546,695.56 : 626,284,556.58 = 349,288,531.16 : x
  2. Step 2: Convert to fraction form
    418,546,695.56/626,284,556.58 = 349,288,531.16/x
  3. Step 3: Cross multiply
    418,546,695.56x = 626,284,556.58 × 349,288,531.16
  4. Step 4: Simplify right side
    418,546,695.56x = 218,754,012,856,020,160
  5. Step 5: Solve for x
    x = 218,754,012,856,020,160/418,546,695.56
  6. Step 6: Final answer
    x = 522,651,391.53

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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.