Home / 209,988,904.80-314,983,357.20-196,551,976.80

Finding the Fourth Proportional to 209,988,904.80, 314,983,357.20 and 196,551,976.80

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Solution

The fourth proportional to 209,988,904.80, 314,983,357.20 and 196,551,976.80 is: 294,827,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,988,904.80 : 314,983,357.20 = 196,551,976.80 : x
  2. Step 2: Convert to fraction form
    209,988,904.80/314,983,357.20 = 196,551,976.80/x
  3. Step 3: Cross multiply
    209,988,904.80x = 314,983,357.20 × 196,551,976.80
  4. Step 4: Simplify right side
    209,988,904.80x = 61,910,601,516,760,512
  5. Step 5: Solve for x
    x = 61,910,601,516,760,512/209,988,904.80
  6. Step 6: Final answer
    x = 294,827,965.20

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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.