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Finding the Fourth Proportional to 768,282,175.88, 1,152,606,600 and 250,713,579.32

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Solution

The fourth proportional to 768,282,175.88, 1,152,606,600 and 250,713,579.32 is: 376,130,197.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,282,175.88 : 1,152,606,600 = 250,713,579.32 : x
  2. Step 2: Convert to fraction form
    768,282,175.88/1,152,606,600 = 250,713,579.32/x
  3. Step 3: Cross multiply
    768,282,175.88x = 1,152,606,600 × 250,713,579.32
  4. Step 4: Simplify right side
    768,282,175.88x = 288,974,126,233,855,488
  5. Step 5: Solve for x
    x = 288,974,126,233,855,488/768,282,175.88
  6. Step 6: Final answer
    x = 376,130,197.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.