Home / 418,620,265.06-627,882,484.80-111,936,292.78

Finding the Fourth Proportional to 418,620,265.06, 627,882,484.80 and 111,936,292.78

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Solution

The fourth proportional to 418,620,265.06, 627,882,484.80 and 111,936,292.78 is: 167,891,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,620,265.06 : 627,882,484.80 = 111,936,292.78 : x
  2. Step 2: Convert to fraction form
    418,620,265.06/627,882,484.80 = 111,936,292.78/x
  3. Step 3: Cross multiply
    418,620,265.06x = 627,882,484.80 × 111,936,292.78
  4. Step 4: Simplify right side
    418,620,265.06x = 70,282,837,650,006,696
  5. Step 5: Solve for x
    x = 70,282,837,650,006,696/418,620,265.06
  6. Step 6: Final answer
    x = 167,891,627.61

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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.