Home / 381,352,748.38-572,205,047.60-174,154,676.20

Finding the Fourth Proportional to 381,352,748.38, 572,205,047.60 and 174,154,676.20

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Solution

The fourth proportional to 381,352,748.38, 572,205,047.60 and 174,154,676.20 is: 261,312,355.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,352,748.38 : 572,205,047.60 = 174,154,676.20 : x
  2. Step 2: Convert to fraction form
    381,352,748.38/572,205,047.60 = 174,154,676.20/x
  3. Step 3: Cross multiply
    381,352,748.38x = 572,205,047.60 × 174,154,676.20
  4. Step 4: Simplify right side
    381,352,748.38x = 99,652,184,783,784,976
  5. Step 5: Solve for x
    x = 99,652,184,783,784,976/381,352,748.38
  6. Step 6: Final answer
    x = 261,312,355.05

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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.