Home / 1,323,139,626.80-1,984,709,440.20-886,649,418.80

Finding the Fourth Proportional to 1,323,139,626.80, 1,984,709,440.20 and 886,649,418.80

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Solution

The fourth proportional to 1,323,139,626.80, 1,984,709,440.20 and 886,649,418.80 is: 1,329,974,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,139,626.80 : 1,984,709,440.20 = 886,649,418.80 : x
  2. Step 2: Convert to fraction form
    1,323,139,626.80/1,984,709,440.20 = 886,649,418.80/x
  3. Step 3: Cross multiply
    1,323,139,626.80x = 1,984,709,440.20 × 886,649,418.80
  4. Step 4: Simplify right side
    1,323,139,626.80x = 1,759,741,471,640,203,264
  5. Step 5: Solve for x
    x = 1,759,741,471,640,203,264/1,323,139,626.80
  6. Step 6: Final answer
    x = 1,329,974,128.20

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Double scale
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Similar ratio
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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.