Home / 418,620,276-627,882,501.24-111,936,303.72

Finding the Fourth Proportional to 418,620,276, 627,882,501.24 and 111,936,303.72

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Solution

The fourth proportional to 418,620,276, 627,882,501.24 and 111,936,303.72 is: 167,891,644.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,620,276 : 627,882,501.24 = 111,936,303.72 : x
  2. Step 2: Convert to fraction form
    418,620,276/627,882,501.24 = 111,936,303.72/x
  3. Step 3: Cross multiply
    418,620,276x = 627,882,501.24 × 111,936,303.72
  4. Step 4: Simplify right side
    418,620,276x = 70,282,846,359,273,920
  5. Step 5: Solve for x
    x = 70,282,846,359,273,920/418,620,276
  6. Step 6: Final answer
    x = 167,891,644.02

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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.