Home / 421,555,932.20-581,734,691.70-233,392,613.06

Finding the Fourth Proportional to 421,555,932.20, 581,734,691.70 and 233,392,613.06

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Solution

The fourth proportional to 421,555,932.20, 581,734,691.70 and 233,392,613.06 is: 322,074,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,555,932.20 : 581,734,691.70 = 233,392,613.06 : x
  2. Step 2: Convert to fraction form
    421,555,932.20/581,734,691.70 = 233,392,613.06/x
  3. Step 3: Cross multiply
    421,555,932.20x = 581,734,691.70 × 233,392,613.06
  4. Step 4: Simplify right side
    421,555,932.20x = 135,772,579,803,516,512
  5. Step 5: Solve for x
    x = 135,772,579,803,516,512/421,555,932.20
  6. Step 6: Final answer
    x = 322,074,888.37

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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.