Home / 402,422,015.13-603,632,269.26-126,094,383.48

Finding the Fourth Proportional to 402,422,015.13, 603,632,269.26 and 126,094,383.48

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Solution

The fourth proportional to 402,422,015.13, 603,632,269.26 and 126,094,383.48 is: 189,141,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,422,015.13 : 603,632,269.26 = 126,094,383.48 : x
  2. Step 2: Convert to fraction form
    402,422,015.13/603,632,269.26 = 126,094,383.48/x
  3. Step 3: Cross multiply
    402,422,015.13x = 603,632,269.26 × 126,094,383.48
  4. Step 4: Simplify right side
    402,422,015.13x = 76,114,638,840,973,056
  5. Step 5: Solve for x
    x = 76,114,638,840,973,056/402,422,015.13
  6. Step 6: Final answer
    x = 189,141,339.14

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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.