Home / 485,187,648.15-727,522,533.10-251,783,349.54

Finding the Fourth Proportional to 485,187,648.15, 727,522,533.10 and 251,783,349.54

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Solution

The fourth proportional to 485,187,648.15, 727,522,533.10 and 251,783,349.54 is: 377,540,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,187,648.15 : 727,522,533.10 = 251,783,349.54 : x
  2. Step 2: Convert to fraction form
    485,187,648.15/727,522,533.10 = 251,783,349.54/x
  3. Step 3: Cross multiply
    485,187,648.15x = 727,522,533.10 × 251,783,349.54
  4. Step 4: Simplify right side
    485,187,648.15x = 183,178,060,249,743,520
  5. Step 5: Solve for x
    x = 183,178,060,249,743,520/485,187,648.15
  6. Step 6: Final answer
    x = 377,540,650.40

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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.