Home / 2,438,899,518.66-3,365,681,330.83-1,381,627,489.39

Finding the Fourth Proportional to 2,438,899,518.66, 3,365,681,330.83 and 1,381,627,489.39

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Solution

The fourth proportional to 2,438,899,518.66, 3,365,681,330.83 and 1,381,627,489.39 is: 1,906,645,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,899,518.66 : 3,365,681,330.83 = 1,381,627,489.39 : x
  2. Step 2: Convert to fraction form
    2,438,899,518.66/3,365,681,330.83 = 1,381,627,489.39/x
  3. Step 3: Cross multiply
    2,438,899,518.66x = 3,365,681,330.83 × 1,381,627,489.39
  4. Step 4: Simplify right side
    2,438,899,518.66x = 4,650,117,847,201,446,912
  5. Step 5: Solve for x
    x = 4,650,117,847,201,446,912/2,438,899,518.66
  6. Step 6: Final answer
    x = 1,906,645,932.57

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1.5x scale

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.