Home / 421,848,035.40-632,772,053.10-179,479,446.60

Finding the Fourth Proportional to 421,848,035.40, 632,772,053.10 and 179,479,446.60

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Solution

The fourth proportional to 421,848,035.40, 632,772,053.10 and 179,479,446.60 is: 269,219,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,848,035.40 : 632,772,053.10 = 179,479,446.60 : x
  2. Step 2: Convert to fraction form
    421,848,035.40/632,772,053.10 = 179,479,446.60/x
  3. Step 3: Cross multiply
    421,848,035.40x = 632,772,053.10 × 179,479,446.60
  4. Step 4: Simplify right side
    421,848,035.40x = 113,569,577,914,333,808
  5. Step 5: Solve for x
    x = 113,569,577,914,333,808/421,848,035.40
  6. Step 6: Final answer
    x = 269,219,169.90

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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.