Home / 423,083,776.39-634,291,890.26-267,309,243.20

Finding the Fourth Proportional to 423,083,776.39, 634,291,890.26 and 267,309,243.20

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Solution

The fourth proportional to 423,083,776.39, 634,291,890.26 and 267,309,243.20 is: 400,752,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,083,776.39 : 634,291,890.26 = 267,309,243.20 : x
  2. Step 2: Convert to fraction form
    423,083,776.39/634,291,890.26 = 267,309,243.20/x
  3. Step 3: Cross multiply
    423,083,776.39x = 634,291,890.26 × 267,309,243.20
  4. Step 4: Simplify right side
    423,083,776.39x = 169,552,085,153,298,048
  5. Step 5: Solve for x
    x = 169,552,085,153,298,048/423,083,776.39
  6. Step 6: Final answer
    x = 400,752,982.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.