Home / 946,970,999.70-1,420,456,499.55-717,388,487.70

Finding the Fourth Proportional to 946,970,999.70, 1,420,456,499.55 and 717,388,487.70

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Solution

The fourth proportional to 946,970,999.70, 1,420,456,499.55 and 717,388,487.70 is: 1,076,082,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,970,999.70 : 1,420,456,499.55 = 717,388,487.70 : x
  2. Step 2: Convert to fraction form
    946,970,999.70/1,420,456,499.55 = 717,388,487.70/x
  3. Step 3: Cross multiply
    946,970,999.70x = 1,420,456,499.55 × 717,388,487.70
  4. Step 4: Simplify right side
    946,970,999.70x = 1,019,019,140,055,810,304
  5. Step 5: Solve for x
    x = 1,019,019,140,055,810,304/946,970,999.70
  6. Step 6: Final answer
    x = 1,076,082,731.55

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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.