Home / 4,660,852,930.60-6,990,383,600.70-1,389,408,860.20

Finding the Fourth Proportional to 4,660,852,930.60, 6,990,383,600.70 and 1,389,408,860.20

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Solution

The fourth proportional to 4,660,852,930.60, 6,990,383,600.70 and 1,389,408,860.20 is: 2,083,846,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660,852,930.60 : 6,990,383,600.70 = 1,389,408,860.20 : x
  2. Step 2: Convert to fraction form
    4,660,852,930.60/6,990,383,600.70 = 1,389,408,860.20/x
  3. Step 3: Cross multiply
    4,660,852,930.60x = 6,990,383,600.70 × 1,389,408,860.20
  4. Step 4: Simplify right side
    4,660,852,930.60x = 9,712,500,911,009,359,872
  5. Step 5: Solve for x
    x = 9,712,500,911,009,359,872/4,660,852,930.60
  6. Step 6: Final answer
    x = 2,083,846,252.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.