Home / 39,819,157,494.53-54,950,459,389.54-21,508,215,086.95

Finding the Fourth Proportional to 39,819,157,494.53, 54,950,459,389.54 and 21,508,215,086.95

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Solution

The fourth proportional to 39,819,157,494.53, 54,950,459,389.54 and 21,508,215,086.95 is: 29,681,348,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819,157,494.53 : 54,950,459,389.54 = 21,508,215,086.95 : x
  2. Step 2: Convert to fraction form
    39,819,157,494.53/54,950,459,389.54 = 21,508,215,086.95/x
  3. Step 3: Cross multiply
    39,819,157,494.53x = 54,950,459,389.54 × 21,508,215,086.95
  4. Step 4: Simplify right side
    39,819,157,494.53x = 1,181,886,299,676,937,551,872
  5. Step 5: Solve for x
    x = 1,181,886,299,676,937,551,872/39,819,157,494.53
  6. Step 6: Final answer
    x = 29,681,348,728.67

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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.