Home / 411,642,152.40-617,463,228.60-207,568,808.40

Finding the Fourth Proportional to 411,642,152.40, 617,463,228.60 and 207,568,808.40

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Solution

The fourth proportional to 411,642,152.40, 617,463,228.60 and 207,568,808.40 is: 311,353,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,642,152.40 : 617,463,228.60 = 207,568,808.40 : x
  2. Step 2: Convert to fraction form
    411,642,152.40/617,463,228.60 = 207,568,808.40/x
  3. Step 3: Cross multiply
    411,642,152.40x = 617,463,228.60 × 207,568,808.40
  4. Step 4: Simplify right side
    411,642,152.40x = 128,166,106,591,318,816
  5. Step 5: Solve for x
    x = 128,166,106,591,318,816/411,642,152.40
  6. Step 6: Final answer
    x = 311,353,212.60

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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.