Home / 418,190,730.28-627,217,919.23-123,016,818.40

Finding the Fourth Proportional to 418,190,730.28, 627,217,919.23 and 123,016,818.40

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Solution

The fourth proportional to 418,190,730.28, 627,217,919.23 and 123,016,818.40 is: 184,505,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,190,730.28 : 627,217,919.23 = 123,016,818.40 : x
  2. Step 2: Convert to fraction form
    418,190,730.28/627,217,919.23 = 123,016,818.40/x
  3. Step 3: Cross multiply
    418,190,730.28x = 627,217,919.23 × 123,016,818.40
  4. Step 4: Simplify right side
    418,190,730.28x = 77,158,352,865,267,184
  5. Step 5: Solve for x
    x = 77,158,352,865,267,184/418,190,730.28
  6. Step 6: Final answer
    x = 184,505,172.59

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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.