Home / 10,240,561,143.52-14,131,899,142.32-5,785,144,557.28

Finding the Fourth Proportional to 10,240,561,143.52, 14,131,899,142.32 and 5,785,144,557.28

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Solution

The fourth proportional to 10,240,561,143.52, 14,131,899,142.32 and 5,785,144,557.28 is: 7,983,456,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240,561,143.52 : 14,131,899,142.32 = 5,785,144,557.28 : x
  2. Step 2: Convert to fraction form
    10,240,561,143.52/14,131,899,142.32 = 5,785,144,557.28/x
  3. Step 3: Cross multiply
    10,240,561,143.52x = 14,131,899,142.32 × 5,785,144,557.28
  4. Step 4: Simplify right side
    10,240,561,143.52x = 81,755,079,407,222,439,936
  5. Step 5: Solve for x
    x = 81,755,079,407,222,439,936/10,240,561,143.52
  6. Step 6: Final answer
    x = 7,983,456,986.53

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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.