Home / 946,971,000.20-1,420,456,500.30-717,388,488.20

Finding the Fourth Proportional to 946,971,000.20, 1,420,456,500.30 and 717,388,488.20

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Solution

The fourth proportional to 946,971,000.20, 1,420,456,500.30 and 717,388,488.20 is: 1,076,082,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,971,000.20 : 1,420,456,500.30 = 717,388,488.20 : x
  2. Step 2: Convert to fraction form
    946,971,000.20/1,420,456,500.30 = 717,388,488.20/x
  3. Step 3: Cross multiply
    946,971,000.20x = 1,420,456,500.30 × 717,388,488.20
  4. Step 4: Simplify right side
    946,971,000.20x = 1,019,019,141,304,079,872
  5. Step 5: Solve for x
    x = 1,019,019,141,304,079,872/946,971,000.20
  6. Step 6: Final answer
    x = 1,076,082,732.30

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Double scale
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Similar ratio
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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.