Home / 257,906,200.40-386,859,300.60-224,313,880.40

Finding the Fourth Proportional to 257,906,200.40, 386,859,300.60 and 224,313,880.40

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Solution

The fourth proportional to 257,906,200.40, 386,859,300.60 and 224,313,880.40 is: 336,470,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,906,200.40 : 386,859,300.60 = 224,313,880.40 : x
  2. Step 2: Convert to fraction form
    257,906,200.40/386,859,300.60 = 224,313,880.40/x
  3. Step 3: Cross multiply
    257,906,200.40x = 386,859,300.60 × 224,313,880.40
  4. Step 4: Simplify right side
    257,906,200.40x = 86,777,910,886,416,048
  5. Step 5: Solve for x
    x = 86,777,910,886,416,048/257,906,200.40
  6. Step 6: Final answer
    x = 336,470,820.60

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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.