Home / 522,302,580.96-720,777,537.37-287,348,196.90

Finding the Fourth Proportional to 522,302,580.96, 720,777,537.37 and 287,348,196.90

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Solution

The fourth proportional to 522,302,580.96, 720,777,537.37 and 287,348,196.90 is: 396,540,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,302,580.96 : 720,777,537.37 = 287,348,196.90 : x
  2. Step 2: Convert to fraction form
    522,302,580.96/720,777,537.37 = 287,348,196.90/x
  3. Step 3: Cross multiply
    522,302,580.96x = 720,777,537.37 × 287,348,196.90
  4. Step 4: Simplify right side
    522,302,580.96x = 207,114,125,732,353,984
  5. Step 5: Solve for x
    x = 207,114,125,732,353,984/522,302,580.96
  6. Step 6: Final answer
    x = 396,540,498.33

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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.