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Finding the Fourth Proportional to 663,699,738.60, 995,549,607.90 and 597,942,772.20

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Solution

The fourth proportional to 663,699,738.60, 995,549,607.90 and 597,942,772.20 is: 896,914,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,699,738.60 : 995,549,607.90 = 597,942,772.20 : x
  2. Step 2: Convert to fraction form
    663,699,738.60/995,549,607.90 = 597,942,772.20/x
  3. Step 3: Cross multiply
    663,699,738.60x = 995,549,607.90 × 597,942,772.20
  4. Step 4: Simplify right side
    663,699,738.60x = 595,281,692,410,349,056
  5. Step 5: Solve for x
    x = 595,281,692,410,349,056/663,699,738.60
  6. Step 6: Final answer
    x = 896,914,158.30

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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.