Home / 921,622,656.96-1,382,435,315.96-376,364,190.96

Finding the Fourth Proportional to 921,622,656.96, 1,382,435,315.96 and 376,364,190.96

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Solution

The fourth proportional to 921,622,656.96, 1,382,435,315.96 and 376,364,190.96 is: 564,546,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,622,656.96 : 1,382,435,315.96 = 376,364,190.96 : x
  2. Step 2: Convert to fraction form
    921,622,656.96/1,382,435,315.96 = 376,364,190.96/x
  3. Step 3: Cross multiply
    921,622,656.96x = 1,382,435,315.96 × 376,364,190.96
  4. Step 4: Simplify right side
    921,622,656.96x = 520,299,149,243,935,488
  5. Step 5: Solve for x
    x = 520,299,149,243,935,488/921,622,656.96
  6. Step 6: Final answer
    x = 564,546,829.78

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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.