Home / 399,358,826.34-599,102,609.22-123,009,912.06

Finding the Fourth Proportional to 399,358,826.34, 599,102,609.22 and 123,009,912.06

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Solution

The fourth proportional to 399,358,826.34, 599,102,609.22 and 123,009,912.06 is: 184,534,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,358,826.34 : 599,102,609.22 = 123,009,912.06 : x
  2. Step 2: Convert to fraction form
    399,358,826.34/599,102,609.22 = 123,009,912.06/x
  3. Step 3: Cross multiply
    399,358,826.34x = 599,102,609.22 × 123,009,912.06
  4. Step 4: Simplify right side
    399,358,826.34x = 73,695,559,275,068,752
  5. Step 5: Solve for x
    x = 73,695,559,275,068,752/399,358,826.34
  6. Step 6: Final answer
    x = 184,534,695.15

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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.