Home / 549,234,990.46-757,223,056.40-396,343,205.82

Finding the Fourth Proportional to 549,234,990.46, 757,223,056.40 and 396,343,205.82

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Solution

The fourth proportional to 549,234,990.46, 757,223,056.40 and 396,343,205.82 is: 546,433,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,234,990.46 : 757,223,056.40 = 396,343,205.82 : x
  2. Step 2: Convert to fraction form
    549,234,990.46/757,223,056.40 = 396,343,205.82/x
  3. Step 3: Cross multiply
    549,234,990.46x = 757,223,056.40 × 396,343,205.82
  4. Step 4: Simplify right side
    549,234,990.46x = 300,120,213,694,394,624
  5. Step 5: Solve for x
    x = 300,120,213,694,394,624/549,234,990.46
  6. Step 6: Final answer
    x = 546,433,164.14

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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.