Home / 442,904,615.60-664,356,923.40-417,395,447.60

Finding the Fourth Proportional to 442,904,615.60, 664,356,923.40 and 417,395,447.60

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Solution

The fourth proportional to 442,904,615.60, 664,356,923.40 and 417,395,447.60 is: 626,093,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904,615.60 : 664,356,923.40 = 417,395,447.60 : x
  2. Step 2: Convert to fraction form
    442,904,615.60/664,356,923.40 = 417,395,447.60/x
  3. Step 3: Cross multiply
    442,904,615.60x = 664,356,923.40 × 417,395,447.60
  4. Step 4: Simplify right side
    442,904,615.60x = 277,299,555,408,701,920
  5. Step 5: Solve for x
    x = 277,299,555,408,701,920/442,904,615.60
  6. Step 6: Final answer
    x = 626,093,171.40

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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.