Home / 1,346,070,438.46-1,857,887,141.49-789,332,846.86

Finding the Fourth Proportional to 1,346,070,438.46, 1,857,887,141.49 and 789,332,846.86

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Solution

The fourth proportional to 1,346,070,438.46, 1,857,887,141.49 and 789,332,846.86 is: 1,089,461,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,070,438.46 : 1,857,887,141.49 = 789,332,846.86 : x
  2. Step 2: Convert to fraction form
    1,346,070,438.46/1,857,887,141.49 = 789,332,846.86/x
  3. Step 3: Cross multiply
    1,346,070,438.46x = 1,857,887,141.49 × 789,332,846.86
  4. Step 4: Simplify right side
    1,346,070,438.46x = 1,466,491,346,539,267,328
  5. Step 5: Solve for x
    x = 1,466,491,346,539,267,328/1,346,070,438.46
  6. Step 6: Final answer
    x = 1,089,461,074.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.