Home / 373,438,760.94-515,390,680.10-212,541,864.17

Finding the Fourth Proportional to 373,438,760.94, 515,390,680.10 and 212,541,864.17

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Solution

The fourth proportional to 373,438,760.94, 515,390,680.10 and 212,541,864.17 is: 293,333,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,438,760.94 : 515,390,680.10 = 212,541,864.17 : x
  2. Step 2: Convert to fraction form
    373,438,760.94/515,390,680.10 = 212,541,864.17/x
  3. Step 3: Cross multiply
    373,438,760.94x = 515,390,680.10 × 212,541,864.17
  4. Step 4: Simplify right side
    373,438,760.94x = 109,542,095,920,658,464
  5. Step 5: Solve for x
    x = 109,542,095,920,658,464/373,438,760.94
  6. Step 6: Final answer
    x = 293,333,492.34

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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.