Home / 419,878,031.22-579,431,932.52-234,239,047.11

Finding the Fourth Proportional to 419,878,031.22, 579,431,932.52 and 234,239,047.11

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Solution

The fourth proportional to 419,878,031.22, 579,431,932.52 and 234,239,047.11 is: 323,250,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,878,031.22 : 579,431,932.52 = 234,239,047.11 : x
  2. Step 2: Convert to fraction form
    419,878,031.22/579,431,932.52 = 234,239,047.11/x
  3. Step 3: Cross multiply
    419,878,031.22x = 579,431,932.52 × 234,239,047.11
  4. Step 4: Simplify right side
    419,878,031.22x = 135,725,583,737,419,424
  5. Step 5: Solve for x
    x = 135,725,583,737,419,424/419,878,031.22
  6. Step 6: Final answer
    x = 323,250,024.16

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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.