Home / 450,191,996.31-675,518,844.78-217,221,392.58

Finding the Fourth Proportional to 450,191,996.31, 675,518,844.78 and 217,221,392.58

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Solution

The fourth proportional to 450,191,996.31, 675,518,844.78 and 217,221,392.58 is: 325,943,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,191,996.31 : 675,518,844.78 = 217,221,392.58 : x
  2. Step 2: Convert to fraction form
    450,191,996.31/675,518,844.78 = 217,221,392.58/x
  3. Step 3: Cross multiply
    450,191,996.31x = 675,518,844.78 × 217,221,392.58
  4. Step 4: Simplify right side
    450,191,996.31x = 146,737,144,177,144,480
  5. Step 5: Solve for x
    x = 146,737,144,177,144,480/450,191,996.31
  6. Step 6: Final answer
    x = 325,943,476.07

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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.