Home / 3,156,567,785.60-4,735,150,276.80-858,853,097.60

Finding the Fourth Proportional to 3,156,567,785.60, 4,735,150,276.80 and 858,853,097.60

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Solution

The fourth proportional to 3,156,567,785.60, 4,735,150,276.80 and 858,853,097.60 is: 1,288,360,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,567,785.60 : 4,735,150,276.80 = 858,853,097.60 : x
  2. Step 2: Convert to fraction form
    3,156,567,785.60/4,735,150,276.80 = 858,853,097.60/x
  3. Step 3: Cross multiply
    3,156,567,785.60x = 4,735,150,276.80 × 858,853,097.60
  4. Step 4: Simplify right side
    3,156,567,785.60x = 4,066,798,482,831,177,728
  5. Step 5: Solve for x
    x = 4,066,798,482,831,177,728/3,156,567,785.60
  6. Step 6: Final answer
    x = 1,288,360,890.39

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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.