Home / 298,933,287.40-448,470,789.90-153,389,312.20

Finding the Fourth Proportional to 298,933,287.40, 448,470,789.90 and 153,389,312.20

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Solution

The fourth proportional to 298,933,287.40, 448,470,789.90 and 153,389,312.20 is: 230,120,327.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,933,287.40 : 448,470,789.90 = 153,389,312.20 : x
  2. Step 2: Convert to fraction form
    298,933,287.40/448,470,789.90 = 153,389,312.20/x
  3. Step 3: Cross multiply
    298,933,287.40x = 448,470,789.90 × 153,389,312.20
  4. Step 4: Simplify right side
    298,933,287.40x = 68,790,626,004,551,696
  5. Step 5: Solve for x
    x = 68,790,626,004,551,696/298,933,287.40
  6. Step 6: Final answer
    x = 230,120,327.52

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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.