Home / 853,205,794.20-1,280,765,285.10-659,973,846.60

Finding the Fourth Proportional to 853,205,794.20, 1,280,765,285.10 and 659,973,846.60

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Solution

The fourth proportional to 853,205,794.20, 1,280,765,285.10 and 659,973,846.60 is: 990,700,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,205,794.20 : 1,280,765,285.10 = 659,973,846.60 : x
  2. Step 2: Convert to fraction form
    853,205,794.20/1,280,765,285.10 = 659,973,846.60/x
  3. Step 3: Cross multiply
    853,205,794.20x = 1,280,765,285.10 × 659,973,846.60
  4. Step 4: Simplify right side
    853,205,794.20x = 845,271,591,799,192,576
  5. Step 5: Solve for x
    x = 845,271,591,799,192,576/853,205,794.20
  6. Step 6: Final answer
    x = 990,700,716.69

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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.