Home / 766,946,834.80-1,150,420,252.20-306,955,999.60

Finding the Fourth Proportional to 766,946,834.80, 1,150,420,252.20 and 306,955,999.60

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Solution

The fourth proportional to 766,946,834.80, 1,150,420,252.20 and 306,955,999.60 is: 460,433,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,946,834.80 : 1,150,420,252.20 = 306,955,999.60 : x
  2. Step 2: Convert to fraction form
    766,946,834.80/1,150,420,252.20 = 306,955,999.60/x
  3. Step 3: Cross multiply
    766,946,834.80x = 1,150,420,252.20 × 306,955,999.60
  4. Step 4: Simplify right side
    766,946,834.80x = 353,128,398,474,135,168
  5. Step 5: Solve for x
    x = 353,128,398,474,135,168/766,946,834.80
  6. Step 6: Final answer
    x = 460,433,999.40

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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.