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Finding the Fourth Proportional to 323,353,314.30, 485,029,971.45 and 93,329,903.10

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Solution

The fourth proportional to 323,353,314.30, 485,029,971.45 and 93,329,903.10 is: 139,994,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,353,314.30 : 485,029,971.45 = 93,329,903.10 : x
  2. Step 2: Convert to fraction form
    323,353,314.30/485,029,971.45 = 93,329,903.10/x
  3. Step 3: Cross multiply
    323,353,314.30x = 485,029,971.45 × 93,329,903.10
  4. Step 4: Simplify right side
    323,353,314.30x = 45,267,800,236,024,264
  5. Step 5: Solve for x
    x = 45,267,800,236,024,264/323,353,314.30
  6. Step 6: Final answer
    x = 139,994,854.65

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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.