Home / 502,002,100.56-692,548,006.68-313,503,144.06

Finding the Fourth Proportional to 502,002,100.56, 692,548,006.68 and 313,503,144.06

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Solution

The fourth proportional to 502,002,100.56, 692,548,006.68 and 313,503,144.06 is: 432,500,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,002,100.56 : 692,548,006.68 = 313,503,144.06 : x
  2. Step 2: Convert to fraction form
    502,002,100.56/692,548,006.68 = 313,503,144.06/x
  3. Step 3: Cross multiply
    502,002,100.56x = 692,548,006.68 × 313,503,144.06
  4. Step 4: Simplify right side
    502,002,100.56x = 217,115,977,506,665,856
  5. Step 5: Solve for x
    x = 217,115,977,506,665,856/502,002,100.56
  6. Step 6: Final answer
    x = 432,500,137.48

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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.