Home / 508,477,268.40-762,722,988.72-144,971,624.40

Finding the Fourth Proportional to 508,477,268.40, 762,722,988.72 and 144,971,624.40

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Solution

The fourth proportional to 508,477,268.40, 762,722,988.72 and 144,971,624.40 is: 217,459,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,477,268.40 : 762,722,988.72 = 144,971,624.40 : x
  2. Step 2: Convert to fraction form
    508,477,268.40/762,722,988.72 = 144,971,624.40/x
  3. Step 3: Cross multiply
    508,477,268.40x = 762,722,988.72 × 144,971,624.40
  4. Step 4: Simplify right side
    508,477,268.40x = 110,573,190,641,961,280
  5. Step 5: Solve for x
    x = 110,573,190,641,961,280/508,477,268.40
  6. Step 6: Final answer
    x = 217,459,456.92

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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.