Home / 418,649,827.68-627,925,286.16-111,965,709.60

Finding the Fourth Proportional to 418,649,827.68, 627,925,286.16 and 111,965,709.60

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Solution

The fourth proportional to 418,649,827.68, 627,925,286.16 and 111,965,709.60 is: 167,935,337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,649,827.68 : 627,925,286.16 = 111,965,709.60 : x
  2. Step 2: Convert to fraction form
    418,649,827.68/627,925,286.16 = 111,965,709.60/x
  3. Step 3: Cross multiply
    418,649,827.68x = 627,925,286.16 × 111,965,709.60
  4. Step 4: Simplify right side
    418,649,827.68x = 70,306,100,240,687,448
  5. Step 5: Solve for x
    x = 70,306,100,240,687,448/418,649,827.68
  6. Step 6: Final answer
    x = 167,935,337.82

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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.