Home / 374,062,643.80-516,222,390.60-209,050,208.44

Finding the Fourth Proportional to 374,062,643.80, 516,222,390.60 and 209,050,208.44

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Solution

The fourth proportional to 374,062,643.80, 516,222,390.60 and 209,050,208.44 is: 288,498,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,062,643.80 : 516,222,390.60 = 209,050,208.44 : x
  2. Step 2: Convert to fraction form
    374,062,643.80/516,222,390.60 = 209,050,208.44/x
  3. Step 3: Cross multiply
    374,062,643.80x = 516,222,390.60 × 209,050,208.44
  4. Step 4: Simplify right side
    374,062,643.80x = 107,916,398,356,325,104
  5. Step 5: Solve for x
    x = 107,916,398,356,325,104/374,062,643.80
  6. Step 6: Final answer
    x = 288,498,197.15

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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.