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Finding the Fourth Proportional to 463,003,854.84, 638,942,797.08 and 254,163,550.68

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Solution

The fourth proportional to 463,003,854.84, 638,942,797.08 and 254,163,550.68 is: 350,744,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,003,854.84 : 638,942,797.08 = 254,163,550.68 : x
  2. Step 2: Convert to fraction form
    463,003,854.84/638,942,797.08 = 254,163,550.68/x
  3. Step 3: Cross multiply
    463,003,854.84x = 638,942,797.08 × 254,163,550.68
  4. Step 4: Simplify right side
    463,003,854.84x = 162,395,969,987,263,552
  5. Step 5: Solve for x
    x = 162,395,969,987,263,552/463,003,854.84
  6. Step 6: Final answer
    x = 350,744,315.17

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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.