Home / 511,956,062.76-767,968,146.48-179,922,915.28

Finding the Fourth Proportional to 511,956,062.76, 767,968,146.48 and 179,922,915.28

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Solution

The fourth proportional to 511,956,062.76, 767,968,146.48 and 179,922,915.28 is: 269,896,340.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,956,062.76 : 767,968,146.48 = 179,922,915.28 : x
  2. Step 2: Convert to fraction form
    511,956,062.76/767,968,146.48 = 179,922,915.28/x
  3. Step 3: Cross multiply
    511,956,062.76x = 767,968,146.48 × 179,922,915.28
  4. Step 4: Simplify right side
    511,956,062.76x = 138,175,067,756,859,680
  5. Step 5: Solve for x
    x = 138,175,067,756,859,680/511,956,062.76
  6. Step 6: Final answer
    x = 269,896,340.35

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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.