Home / 480,169,623.39-662,431,174.91-321,450,883.01

Finding the Fourth Proportional to 480,169,623.39, 662,431,174.91 and 321,450,883.01

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Solution

The fourth proportional to 480,169,623.39, 662,431,174.91 and 321,450,883.01 is: 443,466,383.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,169,623.39 : 662,431,174.91 = 321,450,883.01 : x
  2. Step 2: Convert to fraction form
    480,169,623.39/662,431,174.91 = 321,450,883.01/x
  3. Step 3: Cross multiply
    480,169,623.39x = 662,431,174.91 × 321,450,883.01
  4. Step 4: Simplify right side
    480,169,623.39x = 212,939,086,109,702,944
  5. Step 5: Solve for x
    x = 212,939,086,109,702,944/480,169,623.39
  6. Step 6: Final answer
    x = 443,466,383.00

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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.