Home / 1,393,619,607.20-1,923,179,796.24-767,074,639.52

Finding the Fourth Proportional to 1,393,619,607.20, 1,923,179,796.24 and 767,074,639.52

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Solution

The fourth proportional to 1,393,619,607.20, 1,923,179,796.24 and 767,074,639.52 is: 1,058,554,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,619,607.20 : 1,923,179,796.24 = 767,074,639.52 : x
  2. Step 2: Convert to fraction form
    1,393,619,607.20/1,923,179,796.24 = 767,074,639.52/x
  3. Step 3: Cross multiply
    1,393,619,607.20x = 1,923,179,796.24 × 767,074,639.52
  4. Step 4: Simplify right side
    1,393,619,607.20x = 1,475,222,448,932,944,896
  5. Step 5: Solve for x
    x = 1,475,222,448,932,944,896/1,393,619,607.20
  6. Step 6: Final answer
    x = 1,058,554,602.21

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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.