Home / 418,620,339.14-627,882,595.38-111,936,366.86

Finding the Fourth Proportional to 418,620,339.14, 627,882,595.38 and 111,936,366.86

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Solution

The fourth proportional to 418,620,339.14, 627,882,595.38 and 111,936,366.86 is: 167,891,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,620,339.14 : 627,882,595.38 = 111,936,366.86 : x
  2. Step 2: Convert to fraction form
    418,620,339.14/627,882,595.38 = 111,936,366.86/x
  3. Step 3: Cross multiply
    418,620,339.14x = 627,882,595.38 × 111,936,366.86
  4. Step 4: Simplify right side
    418,620,339.14x = 70,282,896,538,325,208
  5. Step 5: Solve for x
    x = 70,282,896,538,325,208/418,620,339.14
  6. Step 6: Final answer
    x = 167,891,738.57

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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.