Home / 298,930,832.40-448,467,107.40-153,386,857.20

Finding the Fourth Proportional to 298,930,832.40, 448,467,107.40 and 153,386,857.20

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Solution

The fourth proportional to 298,930,832.40, 448,467,107.40 and 153,386,857.20 is: 230,116,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,930,832.40 : 448,467,107.40 = 153,386,857.20 : x
  2. Step 2: Convert to fraction form
    298,930,832.40/448,467,107.40 = 153,386,857.20/x
  3. Step 3: Cross multiply
    298,930,832.40x = 448,467,107.40 × 153,386,857.20
  4. Step 4: Simplify right side
    298,930,832.40x = 68,788,960,161,660,856
  5. Step 5: Solve for x
    x = 68,788,960,161,660,856/298,930,832.40
  6. Step 6: Final answer
    x = 230,116,644.74

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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.