Home / 2,438,899,509.94-3,365,681,318.82-1,381,627,480.72

Finding the Fourth Proportional to 2,438,899,509.94, 3,365,681,318.82 and 1,381,627,480.72

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Solution

The fourth proportional to 2,438,899,509.94, 3,365,681,318.82 and 1,381,627,480.72 is: 1,906,645,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,899,509.94 : 3,365,681,318.82 = 1,381,627,480.72 : x
  2. Step 2: Convert to fraction form
    2,438,899,509.94/3,365,681,318.82 = 1,381,627,480.72/x
  3. Step 3: Cross multiply
    2,438,899,509.94x = 3,365,681,318.82 × 1,381,627,480.72
  4. Step 4: Simplify right side
    2,438,899,509.94x = 4,650,117,801,427,644,416
  5. Step 5: Solve for x
    x = 4,650,117,801,427,644,416/2,438,899,509.94
  6. Step 6: Final answer
    x = 1,906,645,920.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.