Home / 2,790,290,851.20-4,185,436,276.80-1,860,481,677.60

Finding the Fourth Proportional to 2,790,290,851.20, 4,185,436,276.80 and 1,860,481,677.60

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Solution

The fourth proportional to 2,790,290,851.20, 4,185,436,276.80 and 1,860,481,677.60 is: 2,790,722,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,290,851.20 : 4,185,436,276.80 = 1,860,481,677.60 : x
  2. Step 2: Convert to fraction form
    2,790,290,851.20/4,185,436,276.80 = 1,860,481,677.60/x
  3. Step 3: Cross multiply
    2,790,290,851.20x = 4,185,436,276.80 × 1,860,481,677.60
  4. Step 4: Simplify right side
    2,790,290,851.20x = 7,786,927,505,748,761,600
  5. Step 5: Solve for x
    x = 7,786,927,505,748,761,600/2,790,290,851.20
  6. Step 6: Final answer
    x = 2,790,722,516.40

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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.