Home / 298,935,647.40-448,403,471.10-271,672,724.10

Finding the Fourth Proportional to 298,935,647.40, 448,403,471.10 and 271,672,724.10

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Solution

The fourth proportional to 298,935,647.40, 448,403,471.10 and 271,672,724.10 is: 407,509,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,935,647.40 : 448,403,471.10 = 271,672,724.10 : x
  2. Step 2: Convert to fraction form
    298,935,647.40/448,403,471.10 = 271,672,724.10/x
  3. Step 3: Cross multiply
    298,935,647.40x = 448,403,471.10 × 271,672,724.10
  4. Step 4: Simplify right side
    298,935,647.40x = 121,818,992,489,632,640
  5. Step 5: Solve for x
    x = 121,818,992,489,632,640/298,935,647.40
  6. Step 6: Final answer
    x = 407,509,086.15

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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.