Home / 746,809,372.20-1,120,214,058.30-402,435,604.20

Finding the Fourth Proportional to 746,809,372.20, 1,120,214,058.30 and 402,435,604.20

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Solution

The fourth proportional to 746,809,372.20, 1,120,214,058.30 and 402,435,604.20 is: 603,653,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,809,372.20 : 1,120,214,058.30 = 402,435,604.20 : x
  2. Step 2: Convert to fraction form
    746,809,372.20/1,120,214,058.30 = 402,435,604.20/x
  3. Step 3: Cross multiply
    746,809,372.20x = 1,120,214,058.30 × 402,435,604.20
  4. Step 4: Simplify right side
    746,809,372.20x = 450,814,021,385,294,464
  5. Step 5: Solve for x
    x = 450,814,021,385,294,464/746,809,372.20
  6. Step 6: Final answer
    x = 603,653,406.30

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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.