Home / 942,078,960.11-1,413,329,189.72-287,081,249.11

Finding the Fourth Proportional to 942,078,960.11, 1,413,329,189.72 and 287,081,249.11

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Solution

The fourth proportional to 942,078,960.11, 1,413,329,189.72 and 287,081,249.11 is: 430,686,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,078,960.11 : 1,413,329,189.72 = 287,081,249.11 : x
  2. Step 2: Convert to fraction form
    942,078,960.11/1,413,329,189.72 = 287,081,249.11/x
  3. Step 3: Cross multiply
    942,078,960.11x = 1,413,329,189.72 × 287,081,249.11
  4. Step 4: Simplify right side
    942,078,960.11x = 405,740,309,188,441,792
  5. Step 5: Solve for x
    x = 405,740,309,188,441,792/942,078,960.11
  6. Step 6: Final answer
    x = 430,686,095.72

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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.