Home / 694,420,032.40-1,040,181,379.80-326,269,200.40

Finding the Fourth Proportional to 694,420,032.40, 1,040,181,379.80 and 326,269,200.40

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Solution

The fourth proportional to 694,420,032.40, 1,040,181,379.80 and 326,269,200.40 is: 488,723,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,420,032.40 : 1,040,181,379.80 = 326,269,200.40 : x
  2. Step 2: Convert to fraction form
    694,420,032.40/1,040,181,379.80 = 326,269,200.40/x
  3. Step 3: Cross multiply
    694,420,032.40x = 1,040,181,379.80 × 326,269,200.40
  4. Step 4: Simplify right side
    694,420,032.40x = 339,379,147,058,314,688
  5. Step 5: Solve for x
    x = 339,379,147,058,314,688/694,420,032.40
  6. Step 6: Final answer
    x = 488,723,152.02

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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.