Home / 308,255,833.88-462,486,537.56-205,031,981.76

Finding the Fourth Proportional to 308,255,833.88, 462,486,537.56 and 205,031,981.76

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Solution

The fourth proportional to 308,255,833.88, 462,486,537.56 and 205,031,981.76 is: 307,616,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,255,833.88 : 462,486,537.56 = 205,031,981.76 : x
  2. Step 2: Convert to fraction form
    308,255,833.88/462,486,537.56 = 205,031,981.76/x
  3. Step 3: Cross multiply
    308,255,833.88x = 462,486,537.56 × 205,031,981.76
  4. Step 4: Simplify right side
    308,255,833.88x = 94,824,531,333,247,472
  5. Step 5: Solve for x
    x = 94,824,531,333,247,472/308,255,833.88
  6. Step 6: Final answer
    x = 307,616,339.78

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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.