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Finding the Fourth Proportional to 323,279,018, 484,922,729.28 and 107,868,266

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Solution

The fourth proportional to 323,279,018, 484,922,729.28 and 107,868,266 is: 161,803,801.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,279,018 : 484,922,729.28 = 107,868,266 : x
  2. Step 2: Convert to fraction form
    323,279,018/484,922,729.28 = 107,868,266/x
  3. Step 3: Cross multiply
    323,279,018x = 484,922,729.28 × 107,868,266
  4. Step 4: Simplify right side
    323,279,018x = 52,307,773,951,421,024
  5. Step 5: Solve for x
    x = 52,307,773,951,421,024/323,279,018
  6. Step 6: Final answer
    x = 161,803,801.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.