Home / 642,003,879.60-962,702,289.06-248,714,953.37

Finding the Fourth Proportional to 642,003,879.60, 962,702,289.06 and 248,714,953.37

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Solution

The fourth proportional to 642,003,879.60, 962,702,289.06 and 248,714,953.37 is: 372,954,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,003,879.60 : 962,702,289.06 = 248,714,953.37 : x
  2. Step 2: Convert to fraction form
    642,003,879.60/962,702,289.06 = 248,714,953.37/x
  3. Step 3: Cross multiply
    642,003,879.60x = 962,702,289.06 × 248,714,953.37
  4. Step 4: Simplify right side
    642,003,879.60x = 239,438,454,927,936,640
  5. Step 5: Solve for x
    x = 239,438,454,927,936,640/642,003,879.60
  6. Step 6: Final answer
    x = 372,954,841.14

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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.