Home / 449,186,899.68-619,907,011.20-250,949,460.96

Finding the Fourth Proportional to 449,186,899.68, 619,907,011.20 and 250,949,460.96

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Solution

The fourth proportional to 449,186,899.68, 619,907,011.20 and 250,949,460.96 is: 346,326,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,186,899.68 : 619,907,011.20 = 250,949,460.96 : x
  2. Step 2: Convert to fraction form
    449,186,899.68/619,907,011.20 = 250,949,460.96/x
  3. Step 3: Cross multiply
    449,186,899.68x = 619,907,011.20 × 250,949,460.96
  4. Step 4: Simplify right side
    449,186,899.68x = 155,565,330,305,964,704
  5. Step 5: Solve for x
    x = 155,565,330,305,964,704/449,186,899.68
  6. Step 6: Final answer
    x = 346,326,507.78

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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.