Home / 946,727,998.20-1,420,091,997.30-717,145,486.20

Finding the Fourth Proportional to 946,727,998.20, 1,420,091,997.30 and 717,145,486.20

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Solution

The fourth proportional to 946,727,998.20, 1,420,091,997.30 and 717,145,486.20 is: 1,075,718,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,727,998.20 : 1,420,091,997.30 = 717,145,486.20 : x
  2. Step 2: Convert to fraction form
    946,727,998.20/1,420,091,997.30 = 717,145,486.20/x
  3. Step 3: Cross multiply
    946,727,998.20x = 1,420,091,997.30 × 717,145,486.20
  4. Step 4: Simplify right side
    946,727,998.20x = 1,018,412,565,852,437,632
  5. Step 5: Solve for x
    x = 1,018,412,565,852,437,632/946,727,998.20
  6. Step 6: Final answer
    x = 1,075,718,229.30

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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.