Home / 2,185,432,858.80-3,278,149,288.20-1,488,075,978.60

Finding the Fourth Proportional to 2,185,432,858.80, 3,278,149,288.20 and 1,488,075,978.60

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Solution

The fourth proportional to 2,185,432,858.80, 3,278,149,288.20 and 1,488,075,978.60 is: 2,232,113,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,432,858.80 : 3,278,149,288.20 = 1,488,075,978.60 : x
  2. Step 2: Convert to fraction form
    2,185,432,858.80/3,278,149,288.20 = 1,488,075,978.60/x
  3. Step 3: Cross multiply
    2,185,432,858.80x = 3,278,149,288.20 × 1,488,075,978.60
  4. Step 4: Simplify right side
    2,185,432,858.80x = 4,878,135,210,035,107,840
  5. Step 5: Solve for x
    x = 4,878,135,210,035,107,840/2,185,432,858.80
  6. Step 6: Final answer
    x = 2,232,113,967.90

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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.