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Finding the Fourth Proportional to 360,347,000.40, 540,520,500.60 and 244,705,438.80

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Solution

The fourth proportional to 360,347,000.40, 540,520,500.60 and 244,705,438.80 is: 367,058,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,347,000.40 : 540,520,500.60 = 244,705,438.80 : x
  2. Step 2: Convert to fraction form
    360,347,000.40/540,520,500.60 = 244,705,438.80/x
  3. Step 3: Cross multiply
    360,347,000.40x = 540,520,500.60 × 244,705,438.80
  4. Step 4: Simplify right side
    360,347,000.40x = 132,268,306,279,718,672
  5. Step 5: Solve for x
    x = 132,268,306,279,718,672/360,347,000.40
  6. Step 6: Final answer
    x = 367,058,158.20

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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.