Home / 971,938,718.38-1,340,781,296.41-590,359,212.27

Finding the Fourth Proportional to 971,938,718.38, 1,340,781,296.41 and 590,359,212.27

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Solution

The fourth proportional to 971,938,718.38, 1,340,781,296.41 and 590,359,212.27 is: 814,395,573.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,938,718.38 : 1,340,781,296.41 = 590,359,212.27 : x
  2. Step 2: Convert to fraction form
    971,938,718.38/1,340,781,296.41 = 590,359,212.27/x
  3. Step 3: Cross multiply
    971,938,718.38x = 1,340,781,296.41 × 590,359,212.27
  4. Step 4: Simplify right side
    971,938,718.38x = 791,542,589,974,957,056
  5. Step 5: Solve for x
    x = 791,542,589,974,957,056/971,938,718.38
  6. Step 6: Final answer
    x = 814,395,573.51

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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.