Home / 40,044,950,040.28-55,262,085,779.72-21,734,007,998.48

Finding the Fourth Proportional to 40,044,950,040.28, 55,262,085,779.72 and 21,734,007,998.48

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Solution

The fourth proportional to 40,044,950,040.28, 55,262,085,779.72 and 21,734,007,998.48 is: 29,992,960,738.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,044,950,040.28 : 55,262,085,779.72 = 21,734,007,998.48 : x
  2. Step 2: Convert to fraction form
    40,044,950,040.28/55,262,085,779.72 = 21,734,007,998.48/x
  3. Step 3: Cross multiply
    40,044,950,040.28x = 55,262,085,779.72 × 21,734,007,998.48
  4. Step 4: Simplify right side
    40,044,950,040.28x = 1,201,066,614,349,122,240,512
  5. Step 5: Solve for x
    x = 1,201,066,614,349,122,240,512/40,044,950,040.28
  6. Step 6: Final answer
    x = 29,992,960,738.89

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Double scale
Find fourth proportional to 40,044,950,041.28, 55,262,085,781.10 and 21,734,007,999.48
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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.