Home / 485,188,403.24-727,516,081.38-239,003,353.64

Finding the Fourth Proportional to 485,188,403.24, 727,516,081.38 and 239,003,353.64

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Solution

The fourth proportional to 485,188,403.24, 727,516,081.38 and 239,003,353.64 is: 358,373,741.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,188,403.24 : 727,516,081.38 = 239,003,353.64 : x
  2. Step 2: Convert to fraction form
    485,188,403.24/727,516,081.38 = 239,003,353.64/x
  3. Step 3: Cross multiply
    485,188,403.24x = 727,516,081.38 × 239,003,353.64
  4. Step 4: Simplify right side
    485,188,403.24x = 173,878,783,276,851,136
  5. Step 5: Solve for x
    x = 173,878,783,276,851,136/485,188,403.24
  6. Step 6: Final answer
    x = 358,373,741.24

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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.