Home / 238,807,608,800.61-358,261,728,721.80-77,446,433,559.68

Finding the Fourth Proportional to 238,807,608,800.61, 358,261,728,721.80 and 77,446,433,559.68

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Solution

The fourth proportional to 238,807,608,800.61, 358,261,728,721.80 and 77,446,433,559.68 is: 116,185,967,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,807,608,800.61 : 358,261,728,721.80 = 77,446,433,559.68 : x
  2. Step 2: Convert to fraction form
    238,807,608,800.61/358,261,728,721.80 = 77,446,433,559.68/x
  3. Step 3: Cross multiply
    238,807,608,800.61x = 358,261,728,721.80 × 77,446,433,559.68
  4. Step 4: Simplify right side
    238,807,608,800.61x = 27,746,093,170,427,193,982,976
  5. Step 5: Solve for x
    x = 27,746,093,170,427,193,982,976/238,807,608,800.61
  6. Step 6: Final answer
    x = 116,185,967,900.18

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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.