Home / 308,255,831.88-462,486,534.56-205,031,979.76

Finding the Fourth Proportional to 308,255,831.88, 462,486,534.56 and 205,031,979.76

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Solution

The fourth proportional to 308,255,831.88, 462,486,534.56 and 205,031,979.76 is: 307,616,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,255,831.88 : 462,486,534.56 = 205,031,979.76 : x
  2. Step 2: Convert to fraction form
    308,255,831.88/462,486,534.56 = 205,031,979.76/x
  3. Step 3: Cross multiply
    308,255,831.88x = 462,486,534.56 × 205,031,979.76
  4. Step 4: Simplify right side
    308,255,831.88x = 94,824,529,793,178,464
  5. Step 5: Solve for x
    x = 94,824,529,793,178,464/308,255,831.88
  6. Step 6: Final answer
    x = 307,616,336.78

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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.