Home / 373,438,767.82-515,390,689.58-212,541,871.04

Finding the Fourth Proportional to 373,438,767.82, 515,390,689.58 and 212,541,871.04

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Solution

The fourth proportional to 373,438,767.82, 515,390,689.58 and 212,541,871.04 is: 293,333,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,438,767.82 : 515,390,689.58 = 212,541,871.04 : x
  2. Step 2: Convert to fraction form
    373,438,767.82/515,390,689.58 = 212,541,871.04/x
  3. Step 3: Cross multiply
    373,438,767.82x = 515,390,689.58 × 212,541,871.04
  4. Step 4: Simplify right side
    373,438,767.82x = 109,542,101,479,929,024
  5. Step 5: Solve for x
    x = 109,542,101,479,929,024/373,438,767.82
  6. Step 6: Final answer
    x = 293,333,501.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.