Home / 2,781,375,336.71-3,838,297,086.44-1,528,392,905.19

Finding the Fourth Proportional to 2,781,375,336.71, 3,838,297,086.44 and 1,528,392,905.19

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Solution

The fourth proportional to 2,781,375,336.71, 3,838,297,086.44 and 1,528,392,905.19 is: 2,109,181,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,375,336.71 : 3,838,297,086.44 = 1,528,392,905.19 : x
  2. Step 2: Convert to fraction form
    2,781,375,336.71/3,838,297,086.44 = 1,528,392,905.19/x
  3. Step 3: Cross multiply
    2,781,375,336.71x = 3,838,297,086.44 × 1,528,392,905.19
  4. Step 4: Simplify right side
    2,781,375,336.71x = 5,866,426,034,918,702,080
  5. Step 5: Solve for x
    x = 5,866,426,034,918,702,080/2,781,375,336.71
  6. Step 6: Final answer
    x = 2,109,181,726.57

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1.5x scale

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.