Home / 663,495,352.20-993,973,985.10-356,685,496.20

Finding the Fourth Proportional to 663,495,352.20, 993,973,985.10 and 356,685,496.20

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Solution

The fourth proportional to 663,495,352.20, 993,973,985.10 and 356,685,496.20 is: 534,346,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,495,352.20 : 993,973,985.10 = 356,685,496.20 : x
  2. Step 2: Convert to fraction form
    663,495,352.20/993,973,985.10 = 356,685,496.20/x
  3. Step 3: Cross multiply
    663,495,352.20x = 993,973,985.10 × 356,685,496.20
  4. Step 4: Simplify right side
    663,495,352.20x = 354,536,104,085,284,928
  5. Step 5: Solve for x
    x = 354,536,104,085,284,928/663,495,352.20
  6. Step 6: Final answer
    x = 534,346,025.05

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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.