Home / 283,942,883.28-391,841,440.38-153,562,691.28

Finding the Fourth Proportional to 283,942,883.28, 391,841,440.38 and 153,562,691.28

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Solution

The fourth proportional to 283,942,883.28, 391,841,440.38 and 153,562,691.28 is: 211,916,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,942,883.28 : 391,841,440.38 = 153,562,691.28 : x
  2. Step 2: Convert to fraction form
    283,942,883.28/391,841,440.38 = 153,562,691.28/x
  3. Step 3: Cross multiply
    283,942,883.28x = 391,841,440.38 × 153,562,691.28
  4. Step 4: Simplify right side
    283,942,883.28x = 60,172,226,139,784,464
  5. Step 5: Solve for x
    x = 60,172,226,139,784,464/283,942,883.28
  6. Step 6: Final answer
    x = 211,916,655.37

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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.