Home / 554,447,025.73-765,142,942.13-306,932,513.41

Finding the Fourth Proportional to 554,447,025.73, 765,142,942.13 and 306,932,513.41

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Solution

The fourth proportional to 554,447,025.73, 765,142,942.13 and 306,932,513.41 is: 423,570,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,447,025.73 : 765,142,942.13 = 306,932,513.41 : x
  2. Step 2: Convert to fraction form
    554,447,025.73/765,142,942.13 = 306,932,513.41/x
  3. Step 3: Cross multiply
    554,447,025.73x = 765,142,942.13 × 306,932,513.41
  4. Step 4: Simplify right side
    554,447,025.73x = 234,847,246,345,883,104
  5. Step 5: Solve for x
    x = 234,847,246,345,883,104/554,447,025.73
  6. Step 6: Final answer
    x = 423,570,215.81

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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.