Home / 373,251,200.40-559,876,800.60-209,992,525.20

Finding the Fourth Proportional to 373,251,200.40, 559,876,800.60 and 209,992,525.20

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Solution

The fourth proportional to 373,251,200.40, 559,876,800.60 and 209,992,525.20 is: 314,988,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,251,200.40 : 559,876,800.60 = 209,992,525.20 : x
  2. Step 2: Convert to fraction form
    373,251,200.40/559,876,800.60 = 209,992,525.20/x
  3. Step 3: Cross multiply
    373,251,200.40x = 559,876,800.60 × 209,992,525.20
  4. Step 4: Simplify right side
    373,251,200.40x = 117,569,943,158,890,880
  5. Step 5: Solve for x
    x = 117,569,943,158,890,880/373,251,200.40
  6. Step 6: Final answer
    x = 314,988,787.80

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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.