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Finding the Fourth Proportional to 284,781,652.40, 427,147,595.40 and 93,305,428.40

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Solution

The fourth proportional to 284,781,652.40, 427,147,595.40 and 93,305,428.40 is: 139,949,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,781,652.40 : 427,147,595.40 = 93,305,428.40 : x
  2. Step 2: Convert to fraction form
    284,781,652.40/427,147,595.40 = 93,305,428.40/x
  3. Step 3: Cross multiply
    284,781,652.40x = 427,147,595.40 × 93,305,428.40
  4. Step 4: Simplify right side
    284,781,652.40x = 39,855,189,378,826,872
  5. Step 5: Solve for x
    x = 39,855,189,378,826,872/284,781,652.40
  6. Step 6: Final answer
    x = 139,949,989.91

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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.