Home / 801,409,630.80-1,202,114,446.20-663,660,123.60

Finding the Fourth Proportional to 801,409,630.80, 1,202,114,446.20 and 663,660,123.60

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Solution

The fourth proportional to 801,409,630.80, 1,202,114,446.20 and 663,660,123.60 is: 995,490,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,409,630.80 : 1,202,114,446.20 = 663,660,123.60 : x
  2. Step 2: Convert to fraction form
    801,409,630.80/1,202,114,446.20 = 663,660,123.60/x
  3. Step 3: Cross multiply
    801,409,630.80x = 1,202,114,446.20 × 663,660,123.60
  4. Step 4: Simplify right side
    801,409,630.80x = 797,795,421,946,437,632
  5. Step 5: Solve for x
    x = 797,795,421,946,437,632/801,409,630.80
  6. Step 6: Final answer
    x = 995,490,185.40

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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.