Home / 942,169,882.40-1,413,307,967.70-287,142,277.85

Finding the Fourth Proportional to 942,169,882.40, 1,413,307,967.70 and 287,142,277.85

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Solution

The fourth proportional to 942,169,882.40, 1,413,307,967.70 and 287,142,277.85 is: 430,729,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,169,882.40 : 1,413,307,967.70 = 287,142,277.85 : x
  2. Step 2: Convert to fraction form
    942,169,882.40/1,413,307,967.70 = 287,142,277.85/x
  3. Step 3: Cross multiply
    942,169,882.40x = 1,413,307,967.70 × 287,142,277.85
  4. Step 4: Simplify right side
    942,169,882.40x = 405,820,469,148,932,288
  5. Step 5: Solve for x
    x = 405,820,469,148,932,288/942,169,882.40
  6. Step 6: Final answer
    x = 430,729,613.34

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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.