Home / 508,477,278.40-762,723,003.72-144,971,634.40

Finding the Fourth Proportional to 508,477,278.40, 762,723,003.72 and 144,971,634.40

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Solution

The fourth proportional to 508,477,278.40, 762,723,003.72 and 144,971,634.40 is: 217,459,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,477,278.40 : 762,723,003.72 = 144,971,634.40 : x
  2. Step 2: Convert to fraction form
    508,477,278.40/762,723,003.72 = 144,971,634.40/x
  3. Step 3: Cross multiply
    508,477,278.40x = 762,723,003.72 × 144,971,634.40
  4. Step 4: Simplify right side
    508,477,278.40x = 110,573,200,443,765,696
  5. Step 5: Solve for x
    x = 110,573,200,443,765,696/508,477,278.40
  6. Step 6: Final answer
    x = 217,459,471.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.