Home / 996,382,821.18-1,375,008,240.71-538,092,323.89

Finding the Fourth Proportional to 996,382,821.18, 1,375,008,240.71 and 538,092,323.89

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Solution

The fourth proportional to 996,382,821.18, 1,375,008,240.71 and 538,092,323.89 is: 742,567,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,382,821.18 : 1,375,008,240.71 = 538,092,323.89 : x
  2. Step 2: Convert to fraction form
    996,382,821.18/1,375,008,240.71 = 538,092,323.89/x
  3. Step 3: Cross multiply
    996,382,821.18x = 1,375,008,240.71 × 538,092,323.89
  4. Step 4: Simplify right side
    996,382,821.18x = 739,881,379,611,544,448
  5. Step 5: Solve for x
    x = 739,881,379,611,544,448/996,382,821.18
  6. Step 6: Final answer
    x = 742,567,378.61

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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.