Home / 314,928,276.90-472,392,415.35-200,420,456.10

Finding the Fourth Proportional to 314,928,276.90, 472,392,415.35 and 200,420,456.10

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Solution

The fourth proportional to 314,928,276.90, 472,392,415.35 and 200,420,456.10 is: 300,630,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,276.90 : 472,392,415.35 = 200,420,456.10 : x
  2. Step 2: Convert to fraction form
    314,928,276.90/472,392,415.35 = 200,420,456.10/x
  3. Step 3: Cross multiply
    314,928,276.90x = 472,392,415.35 × 200,420,456.10
  4. Step 4: Simplify right side
    314,928,276.90x = 94,677,103,342,627,648
  5. Step 5: Solve for x
    x = 94,677,103,342,627,648/314,928,276.90
  6. Step 6: Final answer
    x = 300,630,684.15

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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.