Home / 1,064,485,863.90-1,597,923,189.45-823,218,356.70

Finding the Fourth Proportional to 1,064,485,863.90, 1,597,923,189.45 and 823,218,356.70

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Solution

The fourth proportional to 1,064,485,863.90, 1,597,923,189.45 and 823,218,356.70 is: 1,235,751,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,485,863.90 : 1,597,923,189.45 = 823,218,356.70 : x
  2. Step 2: Convert to fraction form
    1,064,485,863.90/1,597,923,189.45 = 823,218,356.70/x
  3. Step 3: Cross multiply
    1,064,485,863.90x = 1,597,923,189.45 × 823,218,356.70
  4. Step 4: Simplify right side
    1,064,485,863.90x = 1,315,439,702,151,851,776
  5. Step 5: Solve for x
    x = 1,315,439,702,151,851,776/1,064,485,863.90
  6. Step 6: Final answer
    x = 1,235,751,217.34

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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.