Home / 842,507,999.20-1,262,061,387.60-842,507,999.20

Finding the Fourth Proportional to 842,507,999.20, 1,262,061,387.60 and 842,507,999.20

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Solution

The fourth proportional to 842,507,999.20, 1,262,061,387.60 and 842,507,999.20 is: 1,262,061,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,507,999.20 : 1,262,061,387.60 = 842,507,999.20 : x
  2. Step 2: Convert to fraction form
    842,507,999.20/1,262,061,387.60 = 842,507,999.20/x
  3. Step 3: Cross multiply
    842,507,999.20x = 1,262,061,387.60 × 842,507,999.20
  4. Step 4: Simplify right side
    842,507,999.20x = 1,063,296,814,534,451,712
  5. Step 5: Solve for x
    x = 1,063,296,814,534,451,712/842,507,999.20
  6. Step 6: Final answer
    x = 1,262,061,387.60

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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.