Home / 43,421,591,331.52-65,136,138,887.10-11,979,240,590.80

Finding the Fourth Proportional to 43,421,591,331.52, 65,136,138,887.10 and 11,979,240,590.80

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Solution

The fourth proportional to 43,421,591,331.52, 65,136,138,887.10 and 11,979,240,590.80 is: 17,969,895,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,421,591,331.52 : 65,136,138,887.10 = 11,979,240,590.80 : x
  2. Step 2: Convert to fraction form
    43,421,591,331.52/65,136,138,887.10 = 11,979,240,590.80/x
  3. Step 3: Cross multiply
    43,421,591,331.52x = 65,136,138,887.10 × 11,979,240,590.80
  4. Step 4: Simplify right side
    43,421,591,331.52x = 780,281,478,884,334,632,960
  5. Step 5: Solve for x
    x = 780,281,478,884,334,632,960/43,421,591,331.52
  6. Step 6: Final answer
    x = 17,969,895,965.51

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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.