Home / 2,638,359,966.80-3,956,532,180.60-797,500,830.80

Finding the Fourth Proportional to 2,638,359,966.80, 3,956,532,180.60 and 797,500,830.80

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Solution

The fourth proportional to 2,638,359,966.80, 3,956,532,180.60 and 797,500,830.80 is: 1,195,946,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,359,966.80 : 3,956,532,180.60 = 797,500,830.80 : x
  2. Step 2: Convert to fraction form
    2,638,359,966.80/3,956,532,180.60 = 797,500,830.80/x
  3. Step 3: Cross multiply
    2,638,359,966.80x = 3,956,532,180.60 × 797,500,830.80
  4. Step 4: Simplify right side
    2,638,359,966.80x = 3,155,337,701,115,435,520
  5. Step 5: Solve for x
    x = 3,155,337,701,115,435,520/2,638,359,966.80
  6. Step 6: Final answer
    x = 1,195,946,626.25

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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.