Home / 345,821,538.36-477,181,629.12-197,155,576.92

Finding the Fourth Proportional to 345,821,538.36, 477,181,629.12 and 197,155,576.92

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Solution

The fourth proportional to 345,821,538.36, 477,181,629.12 and 197,155,576.92 is: 272,044,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,821,538.36 : 477,181,629.12 = 197,155,576.92 : x
  2. Step 2: Convert to fraction form
    345,821,538.36/477,181,629.12 = 197,155,576.92/x
  3. Step 3: Cross multiply
    345,821,538.36x = 477,181,629.12 × 197,155,576.92
  4. Step 4: Simplify right side
    345,821,538.36x = 94,079,019,384,779,072
  5. Step 5: Solve for x
    x = 94,079,019,384,779,072/345,821,538.36
  6. Step 6: Final answer
    x = 272,044,997.06

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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.