Home / 297,828,743.40-446,743,115.10-221,301,239.40

Finding the Fourth Proportional to 297,828,743.40, 446,743,115.10 and 221,301,239.40

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Solution

The fourth proportional to 297,828,743.40, 446,743,115.10 and 221,301,239.40 is: 331,951,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,828,743.40 : 446,743,115.10 = 221,301,239.40 : x
  2. Step 2: Convert to fraction form
    297,828,743.40/446,743,115.10 = 221,301,239.40/x
  3. Step 3: Cross multiply
    297,828,743.40x = 446,743,115.10 × 221,301,239.40
  4. Step 4: Simplify right side
    297,828,743.40x = 98,864,805,065,046,864
  5. Step 5: Solve for x
    x = 98,864,805,065,046,864/297,828,743.40
  6. Step 6: Final answer
    x = 331,951,859.10

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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.