Home / 386,176,509.60-579,936,610.80-204,777,981.60

Finding the Fourth Proportional to 386,176,509.60, 579,936,610.80 and 204,777,981.60

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Solution

The fourth proportional to 386,176,509.60, 579,936,610.80 and 204,777,981.60 is: 307,523,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,176,509.60 : 579,936,610.80 = 204,777,981.60 : x
  2. Step 2: Convert to fraction form
    386,176,509.60/579,936,610.80 = 204,777,981.60/x
  3. Step 3: Cross multiply
    386,176,509.60x = 579,936,610.80 × 204,777,981.60
  4. Step 4: Simplify right side
    386,176,509.60x = 118,758,248,615,568,752
  5. Step 5: Solve for x
    x = 118,758,248,615,568,752/386,176,509.60
  6. Step 6: Final answer
    x = 307,523,232.68

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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.