Home / 516,630,700.38-712,955,931.03-281,679,443.58

Finding the Fourth Proportional to 516,630,700.38, 712,955,931.03 and 281,679,443.58

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Solution

The fourth proportional to 516,630,700.38, 712,955,931.03 and 281,679,443.58 is: 388,720,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,630,700.38 : 712,955,931.03 = 281,679,443.58 : x
  2. Step 2: Convert to fraction form
    516,630,700.38/712,955,931.03 = 281,679,443.58/x
  3. Step 3: Cross multiply
    516,630,700.38x = 712,955,931.03 × 281,679,443.58
  4. Step 4: Simplify right side
    516,630,700.38x = 200,825,029,949,591,232
  5. Step 5: Solve for x
    x = 200,825,029,949,591,232/516,630,700.38
  6. Step 6: Final answer
    x = 388,720,666.04

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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.