Home / 456,239,654.06-684,086,182.76-145,212,922.94

Finding the Fourth Proportional to 456,239,654.06, 684,086,182.76 and 145,212,922.94

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Solution

The fourth proportional to 456,239,654.06, 684,086,182.76 and 145,212,922.94 is: 217,732,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,239,654.06 : 684,086,182.76 = 145,212,922.94 : x
  2. Step 2: Convert to fraction form
    456,239,654.06/684,086,182.76 = 145,212,922.94/x
  3. Step 3: Cross multiply
    456,239,654.06x = 684,086,182.76 × 145,212,922.94
  4. Step 4: Simplify right side
    456,239,654.06x = 99,338,154,138,389,248
  5. Step 5: Solve for x
    x = 99,338,154,138,389,248/456,239,654.06
  6. Step 6: Final answer
    x = 217,732,398.43

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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.