Home / 403,410,611.60-605,031,936.60-173,387,200.40

Finding the Fourth Proportional to 403,410,611.60, 605,031,936.60 and 173,387,200.40

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Solution

The fourth proportional to 403,410,611.60, 605,031,936.60 and 173,387,200.40 is: 260,044,705.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,410,611.60 : 605,031,936.60 = 173,387,200.40 : x
  2. Step 2: Convert to fraction form
    403,410,611.60/605,031,936.60 = 173,387,200.40/x
  3. Step 3: Cross multiply
    403,410,611.60x = 605,031,936.60 × 173,387,200.40
  4. Step 4: Simplify right side
    403,410,611.60x = 104,904,793,639,664,304
  5. Step 5: Solve for x
    x = 104,904,793,639,664,304/403,410,611.60
  6. Step 6: Final answer
    x = 260,044,705.38

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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.