Home / 521,552,506.20-782,328,759.30-314,928,245.40

Finding the Fourth Proportional to 521,552,506.20, 782,328,759.30 and 314,928,245.40

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Solution

The fourth proportional to 521,552,506.20, 782,328,759.30 and 314,928,245.40 is: 472,392,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,552,506.20 : 782,328,759.30 = 314,928,245.40 : x
  2. Step 2: Convert to fraction form
    521,552,506.20/782,328,759.30 = 314,928,245.40/x
  3. Step 3: Cross multiply
    521,552,506.20x = 782,328,759.30 × 314,928,245.40
  4. Step 4: Simplify right side
    521,552,506.20x = 246,377,423,492,307,904
  5. Step 5: Solve for x
    x = 246,377,423,492,307,904/521,552,506.20
  6. Step 6: Final answer
    x = 472,392,368.10

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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.