Home / 19,755,110,122.30-29,638,486,267.88-7,958,158,018.30

Finding the Fourth Proportional to 19,755,110,122.30, 29,638,486,267.88 and 7,958,158,018.30

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Solution

The fourth proportional to 19,755,110,122.30, 29,638,486,267.88 and 7,958,158,018.30 is: 11,939,581,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755,110,122.30 : 29,638,486,267.88 = 7,958,158,018.30 : x
  2. Step 2: Convert to fraction form
    19,755,110,122.30/29,638,486,267.88 = 7,958,158,018.30/x
  3. Step 3: Cross multiply
    19,755,110,122.30x = 29,638,486,267.88 × 7,958,158,018.30
  4. Step 4: Simplify right side
    19,755,110,122.30x = 235,867,757,143,003,693,056
  5. Step 5: Solve for x
    x = 235,867,757,143,003,693,056/19,755,110,122.30
  6. Step 6: Final answer
    x = 11,939,581,995.89

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1.5x scale

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.