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Finding the Fourth Proportional to 767,757,663.64, 1,059,503,277.18 and 415,333,561

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Solution

The fourth proportional to 767,757,663.64, 1,059,503,277.18 and 415,333,561 is: 573,159,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,757,663.64 : 1,059,503,277.18 = 415,333,561 : x
  2. Step 2: Convert to fraction form
    767,757,663.64/1,059,503,277.18 = 415,333,561/x
  3. Step 3: Cross multiply
    767,757,663.64x = 1,059,503,277.18 × 415,333,561
  4. Step 4: Simplify right side
    767,757,663.64x = 440,047,269,002,339,392
  5. Step 5: Solve for x
    x = 440,047,269,002,339,392/767,757,663.64
  6. Step 6: Final answer
    x = 573,159,070.68

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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.