Home / 502,002,083.06-692,547,982.62-313,503,126.56

Finding the Fourth Proportional to 502,002,083.06, 692,547,982.62 and 313,503,126.56

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Solution

The fourth proportional to 502,002,083.06, 692,547,982.62 and 313,503,126.56 is: 432,500,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,002,083.06 : 692,547,982.62 = 313,503,126.56 : x
  2. Step 2: Convert to fraction form
    502,002,083.06/692,547,982.62 = 313,503,126.56/x
  3. Step 3: Cross multiply
    502,002,083.06x = 692,547,982.62 × 313,503,126.56
  4. Step 4: Simplify right side
    502,002,083.06x = 217,115,957,844,190,528
  5. Step 5: Solve for x
    x = 217,115,957,844,190,528/502,002,083.06
  6. Step 6: Final answer
    x = 432,500,113.39

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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.