Home / 470,008,933.72-648,599,429.27-261,159,706.60

Finding the Fourth Proportional to 470,008,933.72, 648,599,429.27 and 261,159,706.60

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Solution

The fourth proportional to 470,008,933.72, 648,599,429.27 and 261,159,706.60 is: 360,393,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,008,933.72 : 648,599,429.27 = 261,159,706.60 : x
  2. Step 2: Convert to fraction form
    470,008,933.72/648,599,429.27 = 261,159,706.60/x
  3. Step 3: Cross multiply
    470,008,933.72x = 648,599,429.27 × 261,159,706.60
  4. Step 4: Simplify right side
    470,008,933.72x = 169,388,036,649,080,640
  5. Step 5: Solve for x
    x = 169,388,036,649,080,640/470,008,933.72
  6. Step 6: Final answer
    x = 360,393,227.65

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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.