Home / 479,398,758.48-661,570,276.32-259,382,184.48

Finding the Fourth Proportional to 479,398,758.48, 661,570,276.32 and 259,382,184.48

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Solution

The fourth proportional to 479,398,758.48, 661,570,276.32 and 259,382,184.48 is: 357,947,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,398,758.48 : 661,570,276.32 = 259,382,184.48 : x
  2. Step 2: Convert to fraction form
    479,398,758.48/661,570,276.32 = 259,382,184.48/x
  3. Step 3: Cross multiply
    479,398,758.48x = 661,570,276.32 × 259,382,184.48
  4. Step 4: Simplify right side
    479,398,758.48x = 171,599,543,458,918,816
  5. Step 5: Solve for x
    x = 171,599,543,458,918,816/479,398,758.48
  6. Step 6: Final answer
    x = 357,947,408.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.