Home / 516,627,146.88-712,951,038-281,675,900.88

Finding the Fourth Proportional to 516,627,146.88, 712,951,038 and 281,675,900.88

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Solution

The fourth proportional to 516,627,146.88, 712,951,038 and 281,675,900.88 is: 388,715,782.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,627,146.88 : 712,951,038 = 281,675,900.88 : x
  2. Step 2: Convert to fraction form
    516,627,146.88/712,951,038 = 281,675,900.88/x
  3. Step 3: Cross multiply
    516,627,146.88x = 712,951,038 × 281,675,900.88
  4. Step 4: Simplify right side
    516,627,146.88x = 200,821,125,911,981,120
  5. Step 5: Solve for x
    x = 200,821,125,911,981,120/516,627,146.88
  6. Step 6: Final answer
    x = 388,715,782.99

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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.