Home / 19,755,110,123.30-29,638,486,269.38-7,958,158,019.30

Finding the Fourth Proportional to 19,755,110,123.30, 29,638,486,269.38 and 7,958,158,019.30

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Solution

The fourth proportional to 19,755,110,123.30, 29,638,486,269.38 and 7,958,158,019.30 is: 11,939,581,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755,110,123.30 : 29,638,486,269.38 = 7,958,158,019.30 : x
  2. Step 2: Convert to fraction form
    19,755,110,123.30/29,638,486,269.38 = 7,958,158,019.30/x
  3. Step 3: Cross multiply
    19,755,110,123.30x = 29,638,486,269.38 × 7,958,158,019.30
  4. Step 4: Simplify right side
    19,755,110,123.30x = 235,867,757,184,579,403,776
  5. Step 5: Solve for x
    x = 235,867,757,184,579,403,776/19,755,110,123.30
  6. Step 6: Final answer
    x = 11,939,581,997.39

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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.