Home / 516,228,842.00-712,386,832.41-281,281,433.10

Finding the Fourth Proportional to 516,228,842.00, 712,386,832.41 and 281,281,433.10

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Solution

The fourth proportional to 516,228,842.00, 712,386,832.41 and 281,281,433.10 is: 388,163,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,228,842.00 : 712,386,832.41 = 281,281,433.10 : x
  2. Step 2: Convert to fraction form
    516,228,842.00/712,386,832.41 = 281,281,433.10/x
  3. Step 3: Cross multiply
    516,228,842.00x = 712,386,832.41 × 281,281,433.10
  4. Step 4: Simplify right side
    516,228,842.00x = 200,381,189,141,854,336
  5. Step 5: Solve for x
    x = 200,381,189,141,854,336/516,228,842.00
  6. Step 6: Final answer
    x = 388,163,490.38

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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.