Home / 462,613,351.79-638,400,473.24-264,372,572.76

Finding the Fourth Proportional to 462,613,351.79, 638,400,473.24 and 264,372,572.76

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Solution

The fourth proportional to 462,613,351.79, 638,400,473.24 and 264,372,572.76 is: 364,830,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,613,351.79 : 638,400,473.24 = 264,372,572.76 : x
  2. Step 2: Convert to fraction form
    462,613,351.79/638,400,473.24 = 264,372,572.76/x
  3. Step 3: Cross multiply
    462,613,351.79x = 638,400,473.24 × 264,372,572.76
  4. Step 4: Simplify right side
    462,613,351.79x = 168,775,575,560,338,464
  5. Step 5: Solve for x
    x = 168,775,575,560,338,464/462,613,351.79
  6. Step 6: Final answer
    x = 364,830,748.85

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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.