Home / 455,701,500.74-628,869,997.98-246,857,643.39

Finding the Fourth Proportional to 455,701,500.74, 628,869,997.98 and 246,857,643.39

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Solution

The fourth proportional to 455,701,500.74, 628,869,997.98 and 246,857,643.39 is: 340,664,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,701,500.74 : 628,869,997.98 = 246,857,643.39 : x
  2. Step 2: Convert to fraction form
    455,701,500.74/628,869,997.98 = 246,857,643.39/x
  3. Step 3: Cross multiply
    455,701,500.74x = 628,869,997.98 × 246,857,643.39
  4. Step 4: Simplify right side
    455,701,500.74x = 155,241,365,700,016,864
  5. Step 5: Solve for x
    x = 155,241,365,700,016,864/455,701,500.74
  6. Step 6: Final answer
    x = 340,664,591.73

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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.