Home / 641,060,904,706.28-961,622,281,193.10-210,788,463,182.56

Finding the Fourth Proportional to 641,060,904,706.28, 961,622,281,193.10 and 210,788,463,182.56

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Solution

The fourth proportional to 641,060,904,706.28, 961,622,281,193.10 and 210,788,463,182.56 is: 316,192,862,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,060,904,706.28 : 961,622,281,193.10 = 210,788,463,182.56 : x
  2. Step 2: Convert to fraction form
    641,060,904,706.28/961,622,281,193.10 = 210,788,463,182.56/x
  3. Step 3: Cross multiply
    641,060,904,706.28x = 961,622,281,193.10 × 210,788,463,182.56
  4. Step 4: Simplify right side
    641,060,904,706.28x = 202,698,882,814,801,117,970,432
  5. Step 5: Solve for x
    x = 202,698,882,814,801,117,970,432/641,060,904,706.28
  6. Step 6: Final answer
    x = 316,192,862,997.43

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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.