Home / 1,131,231,150.26-1,560,865,026.36-661,241,558.82

Finding the Fourth Proportional to 1,131,231,150.26, 1,560,865,026.36 and 661,241,558.82

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Solution

The fourth proportional to 1,131,231,150.26, 1,560,865,026.36 and 661,241,558.82 is: 912,376,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,231,150.26 : 1,560,865,026.36 = 661,241,558.82 : x
  2. Step 2: Convert to fraction form
    1,131,231,150.26/1,560,865,026.36 = 661,241,558.82/x
  3. Step 3: Cross multiply
    1,131,231,150.26x = 1,560,865,026.36 × 661,241,558.82
  4. Step 4: Simplify right side
    1,131,231,150.26x = 1,032,108,823,137,906,816
  5. Step 5: Solve for x
    x = 1,032,108,823,137,906,816/1,131,231,150.26
  6. Step 6: Final answer
    x = 912,376,593.33

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Double scale
Find fourth proportional to 1,131,231,151.26, 1,560,865,027.74 and 661,241,559.82
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.