Home / 1,851,926,829.72-2,555,661,824.78-1,005,154,456.20

Finding the Fourth Proportional to 1,851,926,829.72, 2,555,661,824.78 and 1,005,154,456.20

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Solution

The fourth proportional to 1,851,926,829.72, 2,555,661,824.78 and 1,005,154,456.20 is: 1,387,114,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,926,829.72 : 2,555,661,824.78 = 1,005,154,456.20 : x
  2. Step 2: Convert to fraction form
    1,851,926,829.72/2,555,661,824.78 = 1,005,154,456.20/x
  3. Step 3: Cross multiply
    1,851,926,829.72x = 2,555,661,824.78 × 1,005,154,456.20
  4. Step 4: Simplify right side
    1,851,926,829.72x = 2,568,834,871,717,840,896
  5. Step 5: Solve for x
    x = 2,568,834,871,717,840,896/1,851,926,829.72
  6. Step 6: Final answer
    x = 1,387,114,669.16

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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.