Home / 23,140,247,858.94-31,930,988,769.25-12,976,884,241.34

Finding the Fourth Proportional to 23,140,247,858.94, 31,930,988,769.25 and 12,976,884,241.34

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Solution

The fourth proportional to 23,140,247,858.94, 31,930,988,769.25 and 12,976,884,241.34 is: 17,906,668,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140,247,858.94 : 31,930,988,769.25 = 12,976,884,241.34 : x
  2. Step 2: Convert to fraction form
    23,140,247,858.94/31,930,988,769.25 = 12,976,884,241.34/x
  3. Step 3: Cross multiply
    23,140,247,858.94x = 31,930,988,769.25 × 12,976,884,241.34
  4. Step 4: Simplify right side
    23,140,247,858.94x = 414,364,744,970,154,737,664
  5. Step 5: Solve for x
    x = 414,364,744,970,154,737,664/23,140,247,858.94
  6. Step 6: Final answer
    x = 17,906,668,394.22

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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.