Home / 352,101,400.40-528,550,231.80-208,575,102.80

Finding the Fourth Proportional to 352,101,400.40, 528,550,231.80 and 208,575,102.80

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Solution

The fourth proportional to 352,101,400.40, 528,550,231.80 and 208,575,102.80 is: 313,098,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,101,400.40 : 528,550,231.80 = 208,575,102.80 : x
  2. Step 2: Convert to fraction form
    352,101,400.40/528,550,231.80 = 208,575,102.80/x
  3. Step 3: Cross multiply
    352,101,400.40x = 528,550,231.80 × 208,575,102.80
  4. Step 4: Simplify right side
    352,101,400.40x = 110,242,418,932,648,832
  5. Step 5: Solve for x
    x = 110,242,418,932,648,832/352,101,400.40
  6. Step 6: Final answer
    x = 313,098,496.08

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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.