Home / 39,247,103,895.39-54,160,727,856.79-21,425,761,401.39

Finding the Fourth Proportional to 39,247,103,895.39, 54,160,727,856.79 and 21,425,761,401.39

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Solution

The fourth proportional to 39,247,103,895.39, 54,160,727,856.79 and 21,425,761,401.39 is: 29,567,400,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247,103,895.39 : 54,160,727,856.79 = 21,425,761,401.39 : x
  2. Step 2: Convert to fraction form
    39,247,103,895.39/54,160,727,856.79 = 21,425,761,401.39/x
  3. Step 3: Cross multiply
    39,247,103,895.39x = 54,160,727,856.79 × 21,425,761,401.39
  4. Step 4: Simplify right side
    39,247,103,895.39x = 1,160,434,832,385,284,898,816
  5. Step 5: Solve for x
    x = 1,160,434,832,385,284,898,816/39,247,103,895.39
  6. Step 6: Final answer
    x = 29,567,400,322.79

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Double scale
Find fourth proportional to 39,247,103,896.39, 54,160,727,858.17 and 21,425,761,402.39
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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.