Home / 624,325,023.45-861,621,440.40-345,953,865.69

Finding the Fourth Proportional to 624,325,023.45, 861,621,440.40 and 345,953,865.69

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Solution

The fourth proportional to 624,325,023.45, 861,621,440.40 and 345,953,865.69 is: 477,445,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,325,023.45 : 861,621,440.40 = 345,953,865.69 : x
  2. Step 2: Convert to fraction form
    624,325,023.45/861,621,440.40 = 345,953,865.69/x
  3. Step 3: Cross multiply
    624,325,023.45x = 861,621,440.40 × 345,953,865.69
  4. Step 4: Simplify right side
    624,325,023.45x = 298,081,268,067,765,952
  5. Step 5: Solve for x
    x = 298,081,268,067,765,952/624,325,023.45
  6. Step 6: Final answer
    x = 477,445,652.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.