Home / 1,867,943,728.71-2,577,792,970.94-1,115,322,672.60

Finding the Fourth Proportional to 1,867,943,728.71, 2,577,792,970.94 and 1,115,322,672.60

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Solution

The fourth proportional to 1,867,943,728.71, 2,577,792,970.94 and 1,115,322,672.60 is: 1,539,163,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,943,728.71 : 2,577,792,970.94 = 1,115,322,672.60 : x
  2. Step 2: Convert to fraction form
    1,867,943,728.71/2,577,792,970.94 = 1,115,322,672.60/x
  3. Step 3: Cross multiply
    1,867,943,728.71x = 2,577,792,970.94 × 1,115,322,672.60
  4. Step 4: Simplify right side
    1,867,943,728.71x = 2,875,070,945,752,717,824
  5. Step 5: Solve for x
    x = 2,875,070,945,752,717,824/1,867,943,728.71
  6. Step 6: Final answer
    x = 1,539,163,574.13

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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.