Home / 9,344,867,850.43-12,895,918,262.54-5,115,779,738.89

Finding the Fourth Proportional to 9,344,867,850.43, 12,895,918,262.54 and 5,115,779,738.89

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Solution

The fourth proportional to 9,344,867,850.43, 12,895,918,262.54 and 5,115,779,738.89 is: 7,059,776,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344,867,850.43 : 12,895,918,262.54 = 5,115,779,738.89 : x
  2. Step 2: Convert to fraction form
    9,344,867,850.43/12,895,918,262.54 = 5,115,779,738.89/x
  3. Step 3: Cross multiply
    9,344,867,850.43x = 12,895,918,262.54 × 5,115,779,738.89
  4. Step 4: Simplify right side
    9,344,867,850.43x = 65,972,677,361,847,590,912
  5. Step 5: Solve for x
    x = 65,972,677,361,847,590,912/9,344,867,850.43
  6. Step 6: Final answer
    x = 7,059,776,383.98

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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.