Home / 694,008,003.20-1,041,012,004.80-305,630,920.40

Finding the Fourth Proportional to 694,008,003.20, 1,041,012,004.80 and 305,630,920.40

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Solution

The fourth proportional to 694,008,003.20, 1,041,012,004.80 and 305,630,920.40 is: 458,446,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,008,003.20 : 1,041,012,004.80 = 305,630,920.40 : x
  2. Step 2: Convert to fraction form
    694,008,003.20/1,041,012,004.80 = 305,630,920.40/x
  3. Step 3: Cross multiply
    694,008,003.20x = 1,041,012,004.80 × 305,630,920.40
  4. Step 4: Simplify right side
    694,008,003.20x = 318,165,457,174,473,152
  5. Step 5: Solve for x
    x = 318,165,457,174,473,152/694,008,003.20
  6. Step 6: Final answer
    x = 458,446,380.60

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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.