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Finding the Fourth Proportional to 355,022,999.40, 532,534,499.10 and 355,022,999.40

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Solution

The fourth proportional to 355,022,999.40, 532,534,499.10 and 355,022,999.40 is: 532,534,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,022,999.40 : 532,534,499.10 = 355,022,999.40 : x
  2. Step 2: Convert to fraction form
    355,022,999.40/532,534,499.10 = 355,022,999.40/x
  3. Step 3: Cross multiply
    355,022,999.40x = 532,534,499.10 × 355,022,999.40
  4. Step 4: Simplify right side
    355,022,999.40x = 189,061,995,154,458,592
  5. Step 5: Solve for x
    x = 189,061,995,154,458,592/355,022,999.40
  6. Step 6: Final answer
    x = 532,534,499.10

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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.