Home / 421,442,256,852.70-632,287,567,685.88-169,773,944,989.68

Finding the Fourth Proportional to 421,442,256,852.70, 632,287,567,685.88 and 169,773,944,989.68

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Solution

The fourth proportional to 421,442,256,852.70, 632,287,567,685.88 and 169,773,944,989.68 is: 254,710,943,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,442,256,852.70 : 632,287,567,685.88 = 169,773,944,989.68 : x
  2. Step 2: Convert to fraction form
    421,442,256,852.70/632,287,567,685.88 = 169,773,944,989.68/x
  3. Step 3: Cross multiply
    421,442,256,852.70x = 632,287,567,685.88 × 169,773,944,989.68
  4. Step 4: Simplify right side
    421,442,256,852.70x = 107,345,954,733,961,150,201,856
  5. Step 5: Solve for x
    x = 107,345,954,733,961,150,201,856/421,442,256,852.70
  6. Step 6: Final answer
    x = 254,710,943,168.38

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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.