Home / 279,419,869,728.70-419,129,804,593.05-153,601,850,707.90

Finding the Fourth Proportional to 279,419,869,728.70, 419,129,804,593.05 and 153,601,850,707.90

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Solution

The fourth proportional to 279,419,869,728.70, 419,129,804,593.05 and 153,601,850,707.90 is: 230,402,776,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,419,869,728.70 : 419,129,804,593.05 = 153,601,850,707.90 : x
  2. Step 2: Convert to fraction form
    279,419,869,728.70/419,129,804,593.05 = 153,601,850,707.90/x
  3. Step 3: Cross multiply
    279,419,869,728.70x = 419,129,804,593.05 × 153,601,850,707.90
  4. Step 4: Simplify right side
    279,419,869,728.70x = 64,379,113,672,332,961,382,400
  5. Step 5: Solve for x
    x = 64,379,113,672,332,961,382,400/279,419,869,728.70
  6. Step 6: Final answer
    x = 230,402,776,061.85

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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.