Home / 328,965,693.60-493,448,540.40-277,309,628.40

Finding the Fourth Proportional to 328,965,693.60, 493,448,540.40 and 277,309,628.40

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Solution

The fourth proportional to 328,965,693.60, 493,448,540.40 and 277,309,628.40 is: 415,964,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,965,693.60 : 493,448,540.40 = 277,309,628.40 : x
  2. Step 2: Convert to fraction form
    328,965,693.60/493,448,540.40 = 277,309,628.40/x
  3. Step 3: Cross multiply
    328,965,693.60x = 493,448,540.40 × 277,309,628.40
  4. Step 4: Simplify right side
    328,965,693.60x = 136,838,031,372,846,368
  5. Step 5: Solve for x
    x = 136,838,031,372,846,368/328,965,693.60
  6. Step 6: Final answer
    x = 415,964,442.60

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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.