Home / 314,928,408.30-472,392,612.45-198,702,261.60

Finding the Fourth Proportional to 314,928,408.30, 472,392,612.45 and 198,702,261.60

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Solution

The fourth proportional to 314,928,408.30, 472,392,612.45 and 198,702,261.60 is: 298,053,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,408.30 : 472,392,612.45 = 198,702,261.60 : x
  2. Step 2: Convert to fraction form
    314,928,408.30/472,392,612.45 = 198,702,261.60/x
  3. Step 3: Cross multiply
    314,928,408.30x = 472,392,612.45 × 198,702,261.60
  4. Step 4: Simplify right side
    314,928,408.30x = 93,865,480,456,947,312
  5. Step 5: Solve for x
    x = 93,865,480,456,947,312/314,928,408.30
  6. Step 6: Final answer
    x = 298,053,392.40

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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.