Home / 852,808,367.20-1,280,169,144.60-659,576,419.60

Finding the Fourth Proportional to 852,808,367.20, 1,280,169,144.60 and 659,576,419.60

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Solution

The fourth proportional to 852,808,367.20, 1,280,169,144.60 and 659,576,419.60 is: 990,104,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,808,367.20 : 1,280,169,144.60 = 659,576,419.60 : x
  2. Step 2: Convert to fraction form
    852,808,367.20/1,280,169,144.60 = 659,576,419.60/x
  3. Step 3: Cross multiply
    852,808,367.20x = 1,280,169,144.60 × 659,576,419.60
  4. Step 4: Simplify right side
    852,808,367.20x = 844,369,380,877,662,592
  5. Step 5: Solve for x
    x = 844,369,380,877,662,592/852,808,367.20
  6. Step 6: Final answer
    x = 990,104,475.23

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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.