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Finding the Fourth Proportional to 663,699,616.60, 995,549,424.90 and 597,942,650.20

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Solution

The fourth proportional to 663,699,616.60, 995,549,424.90 and 597,942,650.20 is: 896,913,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,699,616.60 : 995,549,424.90 = 597,942,650.20 : x
  2. Step 2: Convert to fraction form
    663,699,616.60/995,549,424.90 = 597,942,650.20/x
  3. Step 3: Cross multiply
    663,699,616.60x = 995,549,424.90 × 597,942,650.20
  4. Step 4: Simplify right side
    663,699,616.60x = 595,281,461,529,791,872
  5. Step 5: Solve for x
    x = 595,281,461,529,791,872/663,699,616.60
  6. Step 6: Final answer
    x = 896,913,975.30

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Double scale
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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.