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Finding the Fourth Proportional to 503,847,458.40, 755,771,187.60 and 503,847,458.40

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Solution

The fourth proportional to 503,847,458.40, 755,771,187.60 and 503,847,458.40 is: 755,771,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,847,458.40 : 755,771,187.60 = 503,847,458.40 : x
  2. Step 2: Convert to fraction form
    503,847,458.40/755,771,187.60 = 503,847,458.40/x
  3. Step 3: Cross multiply
    503,847,458.40x = 755,771,187.60 × 503,847,458.40
  4. Step 4: Simplify right side
    503,847,458.40x = 380,793,392,004,209,600
  5. Step 5: Solve for x
    x = 380,793,392,004,209,600/503,847,458.40
  6. Step 6: Final answer
    x = 755,771,187.60

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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.