Home / 1,006,456,540.26-1,388,896,782.06-554,325,825.48

Finding the Fourth Proportional to 1,006,456,540.26, 1,388,896,782.06 and 554,325,825.48

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Solution

The fourth proportional to 1,006,456,540.26, 1,388,896,782.06 and 554,325,825.48 is: 764,962,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,456,540.26 : 1,388,896,782.06 = 554,325,825.48 : x
  2. Step 2: Convert to fraction form
    1,006,456,540.26/1,388,896,782.06 = 554,325,825.48/x
  3. Step 3: Cross multiply
    1,006,456,540.26x = 1,388,896,782.06 × 554,325,825.48
  4. Step 4: Simplify right side
    1,006,456,540.26x = 769,901,355,221,925,120
  5. Step 5: Solve for x
    x = 769,901,355,221,925,120/1,006,456,540.26
  6. Step 6: Final answer
    x = 764,962,345.04

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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.