Home / 836,595,477.80-1,252,469,900.88-630,203,113.22

Finding the Fourth Proportional to 836,595,477.80, 1,252,469,900.88 and 630,203,113.22

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Solution

The fourth proportional to 836,595,477.80, 1,252,469,900.88 and 630,203,113.22 is: 943,479,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,595,477.80 : 1,252,469,900.88 = 630,203,113.22 : x
  2. Step 2: Convert to fraction form
    836,595,477.80/1,252,469,900.88 = 630,203,113.22/x
  3. Step 3: Cross multiply
    836,595,477.80x = 1,252,469,900.88 × 630,203,113.22
  4. Step 4: Simplify right side
    836,595,477.80x = 789,310,430,748,920,960
  5. Step 5: Solve for x
    x = 789,310,430,748,920,960/836,595,477.80
  6. Step 6: Final answer
    x = 943,479,198.36

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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.