Home / 402,651,394.34-555,650,211.96-233,112,780.63

Finding the Fourth Proportional to 402,651,394.34, 555,650,211.96 and 233,112,780.63

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Solution

The fourth proportional to 402,651,394.34, 555,650,211.96 and 233,112,780.63 is: 321,690,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,651,394.34 : 555,650,211.96 = 233,112,780.63 : x
  2. Step 2: Convert to fraction form
    402,651,394.34/555,650,211.96 = 233,112,780.63/x
  3. Step 3: Cross multiply
    402,651,394.34x = 555,650,211.96 × 233,112,780.63
  4. Step 4: Simplify right side
    402,651,394.34x = 129,529,165,967,644,496
  5. Step 5: Solve for x
    x = 129,529,165,967,644,496/402,651,394.34
  6. Step 6: Final answer
    x = 321,690,593.38

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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.