Home / 479,308,097.44-661,443,732.88-259,291,462.56

Finding the Fourth Proportional to 479,308,097.44, 661,443,732.88 and 259,291,462.56

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Solution

The fourth proportional to 479,308,097.44, 661,443,732.88 and 259,291,462.56 is: 357,821,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,308,097.44 : 661,443,732.88 = 259,291,462.56 : x
  2. Step 2: Convert to fraction form
    479,308,097.44/661,443,732.88 = 259,291,462.56/x
  3. Step 3: Cross multiply
    479,308,097.44x = 661,443,732.88 × 259,291,462.56
  4. Step 4: Simplify right side
    479,308,097.44x = 171,506,712,899,601,152
  5. Step 5: Solve for x
    x = 171,506,712,899,601,152/479,308,097.44
  6. Step 6: Final answer
    x = 357,821,438.48

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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.