Home / 2,980,137,761.83-4,111,297,867.93-1,773,802,589.61

Finding the Fourth Proportional to 2,980,137,761.83, 4,111,297,867.93 and 1,773,802,589.61

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Solution

The fourth proportional to 2,980,137,761.83, 4,111,297,867.93 and 1,773,802,589.61 is: 2,447,078,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,137,761.83 : 4,111,297,867.93 = 1,773,802,589.61 : x
  2. Step 2: Convert to fraction form
    2,980,137,761.83/4,111,297,867.93 = 1,773,802,589.61/x
  3. Step 3: Cross multiply
    2,980,137,761.83x = 4,111,297,867.93 × 1,773,802,589.61
  4. Step 4: Simplify right side
    2,980,137,761.83x = 7,292,630,804,792,304,640
  5. Step 5: Solve for x
    x = 7,292,630,804,792,304,640/2,980,137,761.83
  6. Step 6: Final answer
    x = 2,447,078,419.73

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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.