Home / 867,588,992.89-1,301,380,650.96-314,890,684.72

Finding the Fourth Proportional to 867,588,992.89, 1,301,380,650.96 and 314,890,684.72

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Solution

The fourth proportional to 867,588,992.89, 1,301,380,650.96 and 314,890,684.72 is: 472,334,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,588,992.89 : 1,301,380,650.96 = 314,890,684.72 : x
  2. Step 2: Convert to fraction form
    867,588,992.89/1,301,380,650.96 = 314,890,684.72/x
  3. Step 3: Cross multiply
    867,588,992.89x = 1,301,380,650.96 × 314,890,684.72
  4. Step 4: Simplify right side
    867,588,992.89x = 409,792,644,262,153,792
  5. Step 5: Solve for x
    x = 409,792,644,262,153,792/867,588,992.89
  6. Step 6: Final answer
    x = 472,334,996.89

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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.