Home / 1,161,954,997.60-1,602,781,470.48-709,620,761.92

Finding the Fourth Proportional to 1,161,954,997.60, 1,602,781,470.48 and 709,620,761.92

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Solution

The fourth proportional to 1,161,954,997.60, 1,602,781,470.48 and 709,620,761.92 is: 978,839,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,954,997.60 : 1,602,781,470.48 = 709,620,761.92 : x
  2. Step 2: Convert to fraction form
    1,161,954,997.60/1,602,781,470.48 = 709,620,761.92/x
  3. Step 3: Cross multiply
    1,161,954,997.60x = 1,602,781,470.48 × 709,620,761.92
  4. Step 4: Simplify right side
    1,161,954,997.60x = 1,137,367,008,273,275,520
  5. Step 5: Solve for x
    x = 1,137,367,008,273,275,520/1,161,954,997.60
  6. Step 6: Final answer
    x = 978,839,120.81

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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.