Home / 407,184,689.28-611,350,990.20-292,106,498.88

Finding the Fourth Proportional to 407,184,689.28, 611,350,990.20 and 292,106,498.88

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Solution

The fourth proportional to 407,184,689.28, 611,350,990.20 and 292,106,498.88 is: 438,571,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,184,689.28 : 611,350,990.20 = 292,106,498.88 : x
  2. Step 2: Convert to fraction form
    407,184,689.28/611,350,990.20 = 292,106,498.88/x
  3. Step 3: Cross multiply
    407,184,689.28x = 611,350,990.20 × 292,106,498.88
  4. Step 4: Simplify right side
    407,184,689.28x = 178,579,597,334,143,200
  5. Step 5: Solve for x
    x = 178,579,597,334,143,200/407,184,689.28
  6. Step 6: Final answer
    x = 438,571,493.56

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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.