Home / 641,924,604.10-962,214,930.82-268,646,370.85

Finding the Fourth Proportional to 641,924,604.10, 962,214,930.82 and 268,646,370.85

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Solution

The fourth proportional to 641,924,604.10, 962,214,930.82 and 268,646,370.85 is: 402,688,333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,924,604.10 : 962,214,930.82 = 268,646,370.85 : x
  2. Step 2: Convert to fraction form
    641,924,604.10/962,214,930.82 = 268,646,370.85/x
  3. Step 3: Cross multiply
    641,924,604.10x = 962,214,930.82 × 268,646,370.85
  4. Step 4: Simplify right side
    641,924,604.10x = 258,495,549,142,476,864
  5. Step 5: Solve for x
    x = 258,495,549,142,476,864/641,924,604.10
  6. Step 6: Final answer
    x = 402,688,333.63

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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.