Home / 742,699,540.80-1,114,049,311.20-484,419,214.80

Finding the Fourth Proportional to 742,699,540.80, 1,114,049,311.20 and 484,419,214.80

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Solution

The fourth proportional to 742,699,540.80, 1,114,049,311.20 and 484,419,214.80 is: 726,628,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,699,540.80 : 1,114,049,311.20 = 484,419,214.80 : x
  2. Step 2: Convert to fraction form
    742,699,540.80/1,114,049,311.20 = 484,419,214.80/x
  3. Step 3: Cross multiply
    742,699,540.80x = 1,114,049,311.20 × 484,419,214.80
  4. Step 4: Simplify right side
    742,699,540.80x = 539,666,892,579,984,896
  5. Step 5: Solve for x
    x = 539,666,892,579,984,896/742,699,540.80
  6. Step 6: Final answer
    x = 726,628,822.20

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1.5x scale

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.