Home / 3,408,163,019.49-4,702,906,673.96-1,978,954,752.39

Finding the Fourth Proportional to 3,408,163,019.49, 4,702,906,673.96 and 1,978,954,752.39

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Solution

The fourth proportional to 3,408,163,019.49, 4,702,906,673.96 and 1,978,954,752.39 is: 2,730,749,514.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,163,019.49 : 4,702,906,673.96 = 1,978,954,752.39 : x
  2. Step 2: Convert to fraction form
    3,408,163,019.49/4,702,906,673.96 = 1,978,954,752.39/x
  3. Step 3: Cross multiply
    3,408,163,019.49x = 4,702,906,673.96 × 1,978,954,752.39
  4. Step 4: Simplify right side
    3,408,163,019.49x = 9,306,839,512,452,495,360
  5. Step 5: Solve for x
    x = 9,306,839,512,452,495,360/3,408,163,019.49
  6. Step 6: Final answer
    x = 2,730,749,514.98

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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.