Home / 312,921,000.20-469,381,500.30-82,925,582.60

Finding the Fourth Proportional to 312,921,000.20, 469,381,500.30 and 82,925,582.60

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Solution

The fourth proportional to 312,921,000.20, 469,381,500.30 and 82,925,582.60 is: 124,388,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,921,000.20 : 469,381,500.30 = 82,925,582.60 : x
  2. Step 2: Convert to fraction form
    312,921,000.20/469,381,500.30 = 82,925,582.60/x
  3. Step 3: Cross multiply
    312,921,000.20x = 469,381,500.30 × 82,925,582.60
  4. Step 4: Simplify right side
    312,921,000.20x = 38,923,734,374,039,576
  5. Step 5: Solve for x
    x = 38,923,734,374,039,576/312,921,000.20
  6. Step 6: Final answer
    x = 124,388,373.90

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1.5x scale

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.