Home / 402,651,377.80-555,650,189.15-233,112,764.09

Finding the Fourth Proportional to 402,651,377.80, 555,650,189.15 and 233,112,764.09

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Solution

The fourth proportional to 402,651,377.80, 555,650,189.15 and 233,112,764.09 is: 321,690,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,651,377.80 : 555,650,189.15 = 233,112,764.09 : x
  2. Step 2: Convert to fraction form
    402,651,377.80/555,650,189.15 = 233,112,764.09/x
  3. Step 3: Cross multiply
    402,651,377.80x = 555,650,189.15 × 233,112,764.09
  4. Step 4: Simplify right side
    402,651,377.80x = 129,529,151,460,111,392
  5. Step 5: Solve for x
    x = 129,529,151,460,111,392/402,651,377.80
  6. Step 6: Final answer
    x = 321,690,570.56

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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.