Home / 566,917,127.12-782,345,629.32-306,156,743.12

Finding the Fourth Proportional to 566,917,127.12, 782,345,629.32 and 306,156,743.12

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Solution

The fourth proportional to 566,917,127.12, 782,345,629.32 and 306,156,743.12 is: 422,496,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,917,127.12 : 782,345,629.32 = 306,156,743.12 : x
  2. Step 2: Convert to fraction form
    566,917,127.12/782,345,629.32 = 306,156,743.12/x
  3. Step 3: Cross multiply
    566,917,127.12x = 782,345,629.32 × 306,156,743.12
  4. Step 4: Simplify right side
    566,917,127.12x = 239,520,389,866,778,016
  5. Step 5: Solve for x
    x = 239,520,389,866,778,016/566,917,127.12
  6. Step 6: Final answer
    x = 422,496,302.21

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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.