Home / 746,749,981.40-1,120,124,972.10-201,490,640.60

Finding the Fourth Proportional to 746,749,981.40, 1,120,124,972.10 and 201,490,640.60

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Solution

The fourth proportional to 746,749,981.40, 1,120,124,972.10 and 201,490,640.60 is: 302,235,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,749,981.40 : 1,120,124,972.10 = 201,490,640.60 : x
  2. Step 2: Convert to fraction form
    746,749,981.40/1,120,124,972.10 = 201,490,640.60/x
  3. Step 3: Cross multiply
    746,749,981.40x = 1,120,124,972.10 × 201,490,640.60
  4. Step 4: Simplify right side
    746,749,981.40x = 225,694,698,180,486,112
  5. Step 5: Solve for x
    x = 225,694,698,180,486,112/746,749,981.40
  6. Step 6: Final answer
    x = 302,235,960.90

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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.