Home / 373,438,754.54-515,390,671.29-212,541,857.77

Finding the Fourth Proportional to 373,438,754.54, 515,390,671.29 and 212,541,857.77

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Solution

The fourth proportional to 373,438,754.54, 515,390,671.29 and 212,541,857.77 is: 293,333,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,438,754.54 : 515,390,671.29 = 212,541,857.77 : x
  2. Step 2: Convert to fraction form
    373,438,754.54/515,390,671.29 = 212,541,857.77/x
  3. Step 3: Cross multiply
    373,438,754.54x = 515,390,671.29 × 212,541,857.77
  4. Step 4: Simplify right side
    373,438,754.54x = 109,542,090,753,776,336
  5. Step 5: Solve for x
    x = 109,542,090,753,776,336/373,438,754.54
  6. Step 6: Final answer
    x = 293,333,483.53

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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.