Home / 314,928,382.80-472,392,574.20-198,702,236.10

Finding the Fourth Proportional to 314,928,382.80, 472,392,574.20 and 198,702,236.10

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Solution

The fourth proportional to 314,928,382.80, 472,392,574.20 and 198,702,236.10 is: 298,053,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,382.80 : 472,392,574.20 = 198,702,236.10 : x
  2. Step 2: Convert to fraction form
    314,928,382.80/472,392,574.20 = 198,702,236.10/x
  3. Step 3: Cross multiply
    314,928,382.80x = 472,392,574.20 × 198,702,236.10
  4. Step 4: Simplify right side
    314,928,382.80x = 93,865,460,810,575,168
  5. Step 5: Solve for x
    x = 93,865,460,810,575,168/314,928,382.80
  6. Step 6: Final answer
    x = 298,053,354.15

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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.