Home / 863,415,718.04-1,294,833,572.76-281,012,997.80

Finding the Fourth Proportional to 863,415,718.04, 1,294,833,572.76 and 281,012,997.80

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Solution

The fourth proportional to 863,415,718.04, 1,294,833,572.76 and 281,012,997.80 is: 421,425,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,415,718.04 : 1,294,833,572.76 = 281,012,997.80 : x
  2. Step 2: Convert to fraction form
    863,415,718.04/1,294,833,572.76 = 281,012,997.80/x
  3. Step 3: Cross multiply
    863,415,718.04x = 1,294,833,572.76 × 281,012,997.80
  4. Step 4: Simplify right side
    863,415,718.04x = 363,865,063,933,372,032
  5. Step 5: Solve for x
    x = 363,865,063,933,372,032/863,415,718.04
  6. Step 6: Final answer
    x = 421,425,109.98

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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.