Home / 454,012,121.62-625,881,005.40-323,405,181.46

Finding the Fourth Proportional to 454,012,121.62, 625,881,005.40 and 323,405,181.46

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Solution

The fourth proportional to 454,012,121.62, 625,881,005.40 and 323,405,181.46 is: 445,832,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,012,121.62 : 625,881,005.40 = 323,405,181.46 : x
  2. Step 2: Convert to fraction form
    454,012,121.62/625,881,005.40 = 323,405,181.46/x
  3. Step 3: Cross multiply
    454,012,121.62x = 625,881,005.40 × 323,405,181.46
  4. Step 4: Simplify right side
    454,012,121.62x = 202,413,160,123,754,208
  5. Step 5: Solve for x
    x = 202,413,160,123,754,208/454,012,121.62
  6. Step 6: Final answer
    x = 445,832,061.49

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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.