Home / 826,722,588.27-1,140,875,174.35-450,382,268.58

Finding the Fourth Proportional to 826,722,588.27, 1,140,875,174.35 and 450,382,268.58

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Solution

The fourth proportional to 826,722,588.27, 1,140,875,174.35 and 450,382,268.58 is: 621,526,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,722,588.27 : 1,140,875,174.35 = 450,382,268.58 : x
  2. Step 2: Convert to fraction form
    826,722,588.27/1,140,875,174.35 = 450,382,268.58/x
  3. Step 3: Cross multiply
    826,722,588.27x = 1,140,875,174.35 × 450,382,268.58
  4. Step 4: Simplify right side
    826,722,588.27x = 513,829,949,186,618,240
  5. Step 5: Solve for x
    x = 513,829,949,186,618,240/826,722,588.27
  6. Step 6: Final answer
    x = 621,526,442.45

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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.