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Finding the Fourth Proportional to 539,326,794.30, 808,990,191.45 and 533,952,023.10

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Solution

The fourth proportional to 539,326,794.30, 808,990,191.45 and 533,952,023.10 is: 800,928,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,326,794.30 : 808,990,191.45 = 533,952,023.10 : x
  2. Step 2: Convert to fraction form
    539,326,794.30/808,990,191.45 = 533,952,023.10/x
  3. Step 3: Cross multiply
    539,326,794.30x = 808,990,191.45 × 533,952,023.10
  4. Step 4: Simplify right side
    539,326,794.30x = 431,961,949,392,783,872
  5. Step 5: Solve for x
    x = 431,961,949,392,783,872/539,326,794.30
  6. Step 6: Final answer
    x = 800,928,034.65

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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.