Home / 642,003,881.10-962,702,291.31-248,714,954.87

Finding the Fourth Proportional to 642,003,881.10, 962,702,291.31 and 248,714,954.87

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Solution

The fourth proportional to 642,003,881.10, 962,702,291.31 and 248,714,954.87 is: 372,954,843.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,003,881.10 : 962,702,291.31 = 248,714,954.87 : x
  2. Step 2: Convert to fraction form
    642,003,881.10/962,702,291.31 = 248,714,954.87/x
  3. Step 3: Cross multiply
    642,003,881.10x = 962,702,291.31 × 248,714,954.87
  4. Step 4: Simplify right side
    642,003,881.10x = 239,438,456,931,598,720
  5. Step 5: Solve for x
    x = 239,438,456,931,598,720/642,003,881.10
  6. Step 6: Final answer
    x = 372,954,843.39

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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.