Home / 379,152,341.85-523,232,166.59-211,891,394.68

Finding the Fourth Proportional to 379,152,341.85, 523,232,166.59 and 211,891,394.68

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Solution

The fourth proportional to 379,152,341.85, 523,232,166.59 and 211,891,394.68 is: 292,411,205.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,152,341.85 : 523,232,166.59 = 211,891,394.68 : x
  2. Step 2: Convert to fraction form
    379,152,341.85/523,232,166.59 = 211,891,394.68/x
  3. Step 3: Cross multiply
    379,152,341.85x = 523,232,166.59 × 211,891,394.68
  4. Step 4: Simplify right side
    379,152,341.85x = 110,868,393,520,193,200
  5. Step 5: Solve for x
    x = 110,868,393,520,193,200/379,152,341.85
  6. Step 6: Final answer
    x = 292,411,205.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.