Home / 39,819,157,454.13-54,950,459,333.72-21,508,215,046.50

Finding the Fourth Proportional to 39,819,157,454.13, 54,950,459,333.72 and 21,508,215,046.50

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Solution

The fourth proportional to 39,819,157,454.13, 54,950,459,333.72 and 21,508,215,046.50 is: 29,681,348,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819,157,454.13 : 54,950,459,333.72 = 21,508,215,046.50 : x
  2. Step 2: Convert to fraction form
    39,819,157,454.13/54,950,459,333.72 = 21,508,215,046.50/x
  3. Step 3: Cross multiply
    39,819,157,454.13x = 54,950,459,333.72 × 21,508,215,046.50
  4. Step 4: Simplify right side
    39,819,157,454.13x = 1,181,886,296,253,220,519,936
  5. Step 5: Solve for x
    x = 1,181,886,296,253,220,519,936/39,819,157,454.13
  6. Step 6: Final answer
    x = 29,681,348,672.81

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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.