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Finding the Fourth Proportional to 463,854,836, 640,103,363.52 and 255,009,458

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Solution

The fourth proportional to 463,854,836, 640,103,363.52 and 255,009,458 is: 351,904,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,854,836 : 640,103,363.52 = 255,009,458 : x
  2. Step 2: Convert to fraction form
    463,854,836/640,103,363.52 = 255,009,458/x
  3. Step 3: Cross multiply
    463,854,836x = 640,103,363.52 × 255,009,458
  4. Step 4: Simplify right side
    463,854,836x = 163,232,411,795,212,160
  5. Step 5: Solve for x
    x = 163,232,411,795,212,160/463,854,836
  6. Step 6: Final answer
    x = 351,904,085.34

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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.