Home / 1,187,193,627.20-1,780,790,440.80-881,083,611.20

Finding the Fourth Proportional to 1,187,193,627.20, 1,780,790,440.80 and 881,083,611.20

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Solution

The fourth proportional to 1,187,193,627.20, 1,780,790,440.80 and 881,083,611.20 is: 1,321,625,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,193,627.20 : 1,780,790,440.80 = 881,083,611.20 : x
  2. Step 2: Convert to fraction form
    1,187,193,627.20/1,780,790,440.80 = 881,083,611.20/x
  3. Step 3: Cross multiply
    1,187,193,627.20x = 1,780,790,440.80 × 881,083,611.20
  4. Step 4: Simplify right side
    1,187,193,627.20x = 1,569,025,272,370,503,936
  5. Step 5: Solve for x
    x = 1,569,025,272,370,503,936/1,187,193,627.20
  6. Step 6: Final answer
    x = 1,321,625,416.80

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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.