Home / 766,285,651.40-1,149,596,438.70-248,628,000.20

Finding the Fourth Proportional to 766,285,651.40, 1,149,596,438.70 and 248,628,000.20

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Solution

The fourth proportional to 766,285,651.40, 1,149,596,438.70 and 248,628,000.20 is: 372,996,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,285,651.40 : 1,149,596,438.70 = 248,628,000.20 : x
  2. Step 2: Convert to fraction form
    766,285,651.40/1,149,596,438.70 = 248,628,000.20/x
  3. Step 3: Cross multiply
    766,285,651.40x = 1,149,596,438.70 × 248,628,000.20
  4. Step 4: Simplify right side
    766,285,651.40x = 285,821,863,591,022,880
  5. Step 5: Solve for x
    x = 285,821,863,591,022,880/766,285,651.40
  6. Step 6: Final answer
    x = 372,996,496.89

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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.