Home / 5,978,631,485.40-8,967,947,228.10-2,872,465,128.60

Finding the Fourth Proportional to 5,978,631,485.40, 8,967,947,228.10 and 2,872,465,128.60

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Solution

The fourth proportional to 5,978,631,485.40, 8,967,947,228.10 and 2,872,465,128.60 is: 4,308,697,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,631,485.40 : 8,967,947,228.10 = 2,872,465,128.60 : x
  2. Step 2: Convert to fraction form
    5,978,631,485.40/8,967,947,228.10 = 2,872,465,128.60/x
  3. Step 3: Cross multiply
    5,978,631,485.40x = 8,967,947,228.10 × 2,872,465,128.60
  4. Step 4: Simplify right side
    5,978,631,485.40x = 25,760,115,687,842,279,424
  5. Step 5: Solve for x
    x = 25,760,115,687,842,279,424/5,978,631,485.40
  6. Step 6: Final answer
    x = 4,308,697,692.90

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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.