Home / 508,477,250.40-762,722,961.72-144,971,606.40

Finding the Fourth Proportional to 508,477,250.40, 762,722,961.72 and 144,971,606.40

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Solution

The fourth proportional to 508,477,250.40, 762,722,961.72 and 144,971,606.40 is: 217,459,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,477,250.40 : 762,722,961.72 = 144,971,606.40 : x
  2. Step 2: Convert to fraction form
    508,477,250.40/762,722,961.72 = 144,971,606.40/x
  3. Step 3: Cross multiply
    508,477,250.40x = 762,722,961.72 × 144,971,606.40
  4. Step 4: Simplify right side
    508,477,250.40x = 110,573,172,998,714,112
  5. Step 5: Solve for x
    x = 110,573,172,998,714,112/508,477,250.40
  6. Step 6: Final answer
    x = 217,459,429.92

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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.