Home / 971,938,718.88-1,340,781,297.11-590,359,212.77

Finding the Fourth Proportional to 971,938,718.88, 1,340,781,297.11 and 590,359,212.77

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Solution

The fourth proportional to 971,938,718.88, 1,340,781,297.11 and 590,359,212.77 is: 814,395,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,938,718.88 : 1,340,781,297.11 = 590,359,212.77 : x
  2. Step 2: Convert to fraction form
    971,938,718.88/1,340,781,297.11 = 590,359,212.77/x
  3. Step 3: Cross multiply
    971,938,718.88x = 1,340,781,297.11 × 590,359,212.77
  4. Step 4: Simplify right side
    971,938,718.88x = 791,542,591,048,943,360
  5. Step 5: Solve for x
    x = 791,542,591,048,943,360/971,938,718.88
  6. Step 6: Final answer
    x = 814,395,574.20

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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.