Home / 304,722,424.65-457,083,636.98-212,889,419.85

Finding the Fourth Proportional to 304,722,424.65, 457,083,636.98 and 212,889,419.85

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Solution

The fourth proportional to 304,722,424.65, 457,083,636.98 and 212,889,419.85 is: 319,334,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,722,424.65 : 457,083,636.98 = 212,889,419.85 : x
  2. Step 2: Convert to fraction form
    304,722,424.65/457,083,636.98 = 212,889,419.85/x
  3. Step 3: Cross multiply
    304,722,424.65x = 457,083,636.98 × 212,889,419.85
  4. Step 4: Simplify right side
    304,722,424.65x = 97,308,270,298,535,760
  5. Step 5: Solve for x
    x = 97,308,270,298,535,760/304,722,424.65
  6. Step 6: Final answer
    x = 319,334,129.78

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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.