Home / 676,175,852.72-933,145,744.20-378,830,632.88

Finding the Fourth Proportional to 676,175,852.72, 933,145,744.20 and 378,830,632.88

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Solution

The fourth proportional to 676,175,852.72, 933,145,744.20 and 378,830,632.88 is: 522,799,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,175,852.72 : 933,145,744.20 = 378,830,632.88 : x
  2. Step 2: Convert to fraction form
    676,175,852.72/933,145,744.20 = 378,830,632.88/x
  3. Step 3: Cross multiply
    676,175,852.72x = 933,145,744.20 × 378,830,632.88
  4. Step 4: Simplify right side
    676,175,852.72x = 353,504,192,844,564,608
  5. Step 5: Solve for x
    x = 353,504,192,844,564,608/676,175,852.72
  6. Step 6: Final answer
    x = 522,799,197.02

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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.