Home / 1,692,778,645.75-2,335,823,000.85-939,989,469.42

Finding the Fourth Proportional to 1,692,778,645.75, 2,335,823,000.85 and 939,989,469.42

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Solution

The fourth proportional to 1,692,778,645.75, 2,335,823,000.85 and 939,989,469.42 is: 1,297,068,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,778,645.75 : 2,335,823,000.85 = 939,989,469.42 : x
  2. Step 2: Convert to fraction form
    1,692,778,645.75/2,335,823,000.85 = 939,989,469.42/x
  3. Step 3: Cross multiply
    1,692,778,645.75x = 2,335,823,000.85 × 939,989,469.42
  4. Step 4: Simplify right side
    1,692,778,645.75x = 2,195,649,023,228,023,552
  5. Step 5: Solve for x
    x = 2,195,649,023,228,023,552/1,692,778,645.75
  6. Step 6: Final answer
    x = 1,297,068,006.35

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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.