Home / 19,755,110,121.30-29,638,486,266.38-7,958,158,017.30

Finding the Fourth Proportional to 19,755,110,121.30, 29,638,486,266.38 and 7,958,158,017.30

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Solution

The fourth proportional to 19,755,110,121.30, 29,638,486,266.38 and 7,958,158,017.30 is: 11,939,581,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755,110,121.30 : 29,638,486,266.38 = 7,958,158,017.30 : x
  2. Step 2: Convert to fraction form
    19,755,110,121.30/29,638,486,266.38 = 7,958,158,017.30/x
  3. Step 3: Cross multiply
    19,755,110,121.30x = 29,638,486,266.38 × 7,958,158,017.30
  4. Step 4: Simplify right side
    19,755,110,121.30x = 235,867,757,101,388,169,216
  5. Step 5: Solve for x
    x = 235,867,757,101,388,169,216/19,755,110,121.30
  6. Step 6: Final answer
    x = 11,939,581,994.39

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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.