Home / 381,352,705.31-572,204,983.01-174,154,633.16

Finding the Fourth Proportional to 381,352,705.31, 572,204,983.01 and 174,154,633.16

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Solution

The fourth proportional to 381,352,705.31, 572,204,983.01 and 174,154,633.16 is: 261,312,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,352,705.31 : 572,204,983.01 = 174,154,633.16 : x
  2. Step 2: Convert to fraction form
    381,352,705.31/572,204,983.01 = 174,154,633.16/x
  3. Step 3: Cross multiply
    381,352,705.31x = 572,204,983.01 × 174,154,633.16
  4. Step 4: Simplify right side
    381,352,705.31x = 99,652,148,904,698,784
  5. Step 5: Solve for x
    x = 99,652,148,904,698,784/381,352,705.31
  6. Step 6: Final answer
    x = 261,312,290.48

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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.