Home / 523,617,503,091.92-722,609,983,370.90-303,869,181,534.78

Finding the Fourth Proportional to 523,617,503,091.92, 722,609,983,370.90 and 303,869,181,534.78

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Solution

The fourth proportional to 523,617,503,091.92, 722,609,983,370.90 and 303,869,181,534.78 is: 419,349,817,221.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,617,503,091.92 : 722,609,983,370.90 = 303,869,181,534.78 : x
  2. Step 2: Convert to fraction form
    523,617,503,091.92/722,609,983,370.90 = 303,869,181,534.78/x
  3. Step 3: Cross multiply
    523,617,503,091.92x = 722,609,983,370.90 × 303,869,181,534.78
  4. Step 4: Simplify right side
    523,617,503,091.92x = 219,578,904,215,776,412,041,216
  5. Step 5: Solve for x
    x = 219,578,904,215,776,412,041,216/523,617,503,091.92
  6. Step 6: Final answer
    x = 419,349,817,221.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.