Home / 844,903,150.40-1,267,354,725.60-640,829,806.40

Finding the Fourth Proportional to 844,903,150.40, 1,267,354,725.60 and 640,829,806.40

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Solution

The fourth proportional to 844,903,150.40, 1,267,354,725.60 and 640,829,806.40 is: 961,244,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,903,150.40 : 1,267,354,725.60 = 640,829,806.40 : x
  2. Step 2: Convert to fraction form
    844,903,150.40/1,267,354,725.60 = 640,829,806.40/x
  3. Step 3: Cross multiply
    844,903,150.40x = 1,267,354,725.60 × 640,829,806.40
  4. Step 4: Simplify right side
    844,903,150.40x = 812,158,683,446,372,992
  5. Step 5: Solve for x
    x = 812,158,683,446,372,992/844,903,150.40
  6. Step 6: Final answer
    x = 961,244,709.60

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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.