Home / 439,611,657.20-659,745,114.60-167,513,865.20

Finding the Fourth Proportional to 439,611,657.20, 659,745,114.60 and 167,513,865.20

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Solution

The fourth proportional to 439,611,657.20, 659,745,114.60 and 167,513,865.20 is: 251,395,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,611,657.20 : 659,745,114.60 = 167,513,865.20 : x
  2. Step 2: Convert to fraction form
    439,611,657.20/659,745,114.60 = 167,513,865.20/x
  3. Step 3: Cross multiply
    439,611,657.20x = 659,745,114.60 × 167,513,865.20
  4. Step 4: Simplify right side
    439,611,657.20x = 110,516,454,193,462,944
  5. Step 5: Solve for x
    x = 110,516,454,193,462,944/439,611,657.20
  6. Step 6: Final answer
    x = 251,395,640.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.