Home / 890,166,185.24-1,335,452,664.74-307,899,939.47

Finding the Fourth Proportional to 890,166,185.24, 1,335,452,664.74 and 307,899,939.47

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Solution

The fourth proportional to 890,166,185.24, 1,335,452,664.74 and 307,899,939.47 is: 461,920,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,166,185.24 : 1,335,452,664.74 = 307,899,939.47 : x
  2. Step 2: Convert to fraction form
    890,166,185.24/1,335,452,664.74 = 307,899,939.47/x
  3. Step 3: Cross multiply
    890,166,185.24x = 1,335,452,664.74 × 307,899,939.47
  4. Step 4: Simplify right side
    890,166,185.24x = 411,185,794,630,279,360
  5. Step 5: Solve for x
    x = 411,185,794,630,279,360/890,166,185.24
  6. Step 6: Final answer
    x = 461,920,258.77

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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.