Home / 644,003,999.40-966,005,999.10-644,003,999.40

Finding the Fourth Proportional to 644,003,999.40, 966,005,999.10 and 644,003,999.40

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Solution

The fourth proportional to 644,003,999.40, 966,005,999.10 and 644,003,999.40 is: 966,005,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,003,999.40 : 966,005,999.10 = 644,003,999.40 : x
  2. Step 2: Convert to fraction form
    644,003,999.40/966,005,999.10 = 644,003,999.40/x
  3. Step 3: Cross multiply
    644,003,999.40x = 966,005,999.10 × 644,003,999.40
  4. Step 4: Simplify right side
    644,003,999.40x = 622,111,726,864,792,832
  5. Step 5: Solve for x
    x = 622,111,726,864,792,832/644,003,999.40
  6. Step 6: Final answer
    x = 966,005,999.10

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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.