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Finding the Fourth Proportional to 537,873,313.30, 806,809,969.95 and 533,842,234.90

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Solution

The fourth proportional to 537,873,313.30, 806,809,969.95 and 533,842,234.90 is: 800,763,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,873,313.30 : 806,809,969.95 = 533,842,234.90 : x
  2. Step 2: Convert to fraction form
    537,873,313.30/806,809,969.95 = 533,842,234.90/x
  3. Step 3: Cross multiply
    537,873,313.30x = 806,809,969.95 × 533,842,234.90
  4. Step 4: Simplify right side
    537,873,313.30x = 430,709,237,497,709,824
  5. Step 5: Solve for x
    x = 430,709,237,497,709,824/537,873,313.30
  6. Step 6: Final answer
    x = 800,763,352.35

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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.