Home / 12,299,741,397.92-18,479,045,203.97-7,886,806,761.80

Finding the Fourth Proportional to 12,299,741,397.92, 18,479,045,203.97 and 7,886,806,761.80

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Solution

The fourth proportional to 12,299,741,397.92, 18,479,045,203.97 and 7,886,806,761.80 is: 11,849,083,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299,741,397.92 : 18,479,045,203.97 = 7,886,806,761.80 : x
  2. Step 2: Convert to fraction form
    12,299,741,397.92/18,479,045,203.97 = 7,886,806,761.80/x
  3. Step 3: Cross multiply
    12,299,741,397.92x = 18,479,045,203.97 × 7,886,806,761.80
  4. Step 4: Simplify right side
    12,299,741,397.92x = 145,740,658,666,146,627,584
  5. Step 5: Solve for x
    x = 145,740,658,666,146,627,584/12,299,741,397.92
  6. Step 6: Final answer
    x = 11,849,083,159.66

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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.