Home / 379,152,341.72-523,232,166.41-211,891,394.56

Finding the Fourth Proportional to 379,152,341.72, 523,232,166.41 and 211,891,394.56

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Solution

The fourth proportional to 379,152,341.72, 523,232,166.41 and 211,891,394.56 is: 292,411,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,152,341.72 : 523,232,166.41 = 211,891,394.56 : x
  2. Step 2: Convert to fraction form
    379,152,341.72/523,232,166.41 = 211,891,394.56/x
  3. Step 3: Cross multiply
    379,152,341.72x = 523,232,166.41 × 211,891,394.56
  4. Step 4: Simplify right side
    379,152,341.72x = 110,868,393,417,178,464
  5. Step 5: Solve for x
    x = 110,868,393,417,178,464/379,152,341.72
  6. Step 6: Final answer
    x = 292,411,205.78

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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.