Home / 13,380,013,394.78-20,078,862,045.86-6,299,521,154.73

Finding the Fourth Proportional to 13,380,013,394.78, 20,078,862,045.86 and 6,299,521,154.73

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Solution

The fourth proportional to 13,380,013,394.78, 20,078,862,045.86 and 6,299,521,154.73 is: 9,453,444,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,013,394.78 : 20,078,862,045.86 = 6,299,521,154.73 : x
  2. Step 2: Convert to fraction form
    13,380,013,394.78/20,078,862,045.86 = 6,299,521,154.73/x
  3. Step 3: Cross multiply
    13,380,013,394.78x = 20,078,862,045.86 × 6,299,521,154.73
  4. Step 4: Simplify right side
    13,380,013,394.78x = 126,487,216,220,768,845,824
  5. Step 5: Solve for x
    x = 126,487,216,220,768,845,824/13,380,013,394.78
  6. Step 6: Final answer
    x = 9,453,444,663.23

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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.