Home / 549,234,994.20-757,223,061.54-396,343,209.60

Finding the Fourth Proportional to 549,234,994.20, 757,223,061.54 and 396,343,209.60

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Solution

The fourth proportional to 549,234,994.20, 757,223,061.54 and 396,343,209.60 is: 546,433,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,234,994.20 : 757,223,061.54 = 396,343,209.60 : x
  2. Step 2: Convert to fraction form
    549,234,994.20/757,223,061.54 = 396,343,209.60/x
  3. Step 3: Cross multiply
    549,234,994.20x = 757,223,061.54 × 396,343,209.60
  4. Step 4: Simplify right side
    549,234,994.20x = 300,120,218,593,901,952
  5. Step 5: Solve for x
    x = 300,120,218,593,901,952/549,234,994.20
  6. Step 6: Final answer
    x = 546,433,169.34

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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.