Home / 379,152,341.97-523,232,166.76-211,891,394.81

Finding the Fourth Proportional to 379,152,341.97, 523,232,166.76 and 211,891,394.81

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Solution

The fourth proportional to 379,152,341.97, 523,232,166.76 and 211,891,394.81 is: 292,411,206.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,152,341.97 : 523,232,166.76 = 211,891,394.81 : x
  2. Step 2: Convert to fraction form
    379,152,341.97/523,232,166.76 = 211,891,394.81/x
  3. Step 3: Cross multiply
    379,152,341.97x = 523,232,166.76 × 211,891,394.81
  4. Step 4: Simplify right side
    379,152,341.97x = 110,868,393,621,618,752
  5. Step 5: Solve for x
    x = 110,868,393,621,618,752/379,152,341.97
  6. Step 6: Final answer
    x = 292,411,206.13

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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.