Home / 306,411,187.50-422,353,477.26-207,255,774.60

Finding the Fourth Proportional to 306,411,187.50, 422,353,477.26 and 207,255,774.60

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Solution

The fourth proportional to 306,411,187.50, 422,353,477.26 and 207,255,774.60 is: 285,678,854.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,411,187.50 : 422,353,477.26 = 207,255,774.60 : x
  2. Step 2: Convert to fraction form
    306,411,187.50/422,353,477.26 = 207,255,774.60/x
  3. Step 3: Cross multiply
    306,411,187.50x = 422,353,477.26 × 207,255,774.60
  4. Step 4: Simplify right side
    306,411,187.50x = 87,535,197,084,524,784
  5. Step 5: Solve for x
    x = 87,535,197,084,524,784/306,411,187.50
  6. Step 6: Final answer
    x = 285,678,854.61

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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.