Home / 386,297,640,731.07-579,446,324,714.52-103,309,129,126.35

Finding the Fourth Proportional to 386,297,640,731.07, 579,446,324,714.52 and 103,309,129,126.35

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Solution

The fourth proportional to 386,297,640,731.07, 579,446,324,714.52 and 103,309,129,126.35 is: 154,963,657,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,297,640,731.07 : 579,446,324,714.52 = 103,309,129,126.35 : x
  2. Step 2: Convert to fraction form
    386,297,640,731.07/579,446,324,714.52 = 103,309,129,126.35/x
  3. Step 3: Cross multiply
    386,297,640,731.07x = 579,446,324,714.52 × 103,309,129,126.35
  4. Step 4: Simplify right side
    386,297,640,731.07x = 59,862,095,181,721,286,737,920
  5. Step 5: Solve for x
    x = 59,862,095,181,721,286,737,920/386,297,640,731.07
  6. Step 6: Final answer
    x = 154,963,657,216.32

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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.