Home / 453,448,500.78-625,738,802.46-252,515,740.62

Finding the Fourth Proportional to 453,448,500.78, 625,738,802.46 and 252,515,740.62

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Solution

The fourth proportional to 453,448,500.78, 625,738,802.46 and 252,515,740.62 is: 348,460,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,448,500.78 : 625,738,802.46 = 252,515,740.62 : x
  2. Step 2: Convert to fraction form
    453,448,500.78/625,738,802.46 = 252,515,740.62/x
  3. Step 3: Cross multiply
    453,448,500.78x = 625,738,802.46 × 252,515,740.62
  4. Step 4: Simplify right side
    453,448,500.78x = 158,008,897,137,858,784
  5. Step 5: Solve for x
    x = 158,008,897,137,858,784/453,448,500.78
  6. Step 6: Final answer
    x = 348,460,512.86

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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.