Home / 566,917,129.12-782,345,632.08-306,156,745.12

Finding the Fourth Proportional to 566,917,129.12, 782,345,632.08 and 306,156,745.12

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Solution

The fourth proportional to 566,917,129.12, 782,345,632.08 and 306,156,745.12 is: 422,496,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,917,129.12 : 782,345,632.08 = 306,156,745.12 : x
  2. Step 2: Convert to fraction form
    566,917,129.12/782,345,632.08 = 306,156,745.12/x
  3. Step 3: Cross multiply
    566,917,129.12x = 782,345,632.08 × 306,156,745.12
  4. Step 4: Simplify right side
    566,917,129.12x = 239,520,392,276,461,888
  5. Step 5: Solve for x
    x = 239,520,392,276,461,888/566,917,129.12
  6. Step 6: Final answer
    x = 422,496,304.97

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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.