Home / 392,889,723.60-589,334,585.40-162,782,331.60

Finding the Fourth Proportional to 392,889,723.60, 589,334,585.40 and 162,782,331.60

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Solution

The fourth proportional to 392,889,723.60, 589,334,585.40 and 162,782,331.60 is: 244,173,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,889,723.60 : 589,334,585.40 = 162,782,331.60 : x
  2. Step 2: Convert to fraction form
    392,889,723.60/589,334,585.40 = 162,782,331.60/x
  3. Step 3: Cross multiply
    392,889,723.60x = 589,334,585.40 × 162,782,331.60
  4. Step 4: Simplify right side
    392,889,723.60x = 95,933,257,903,931,312
  5. Step 5: Solve for x
    x = 95,933,257,903,931,312/392,889,723.60
  6. Step 6: Final answer
    x = 244,173,497.40

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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.