Home / 399,358,827.34-599,102,610.72-123,009,913.06

Finding the Fourth Proportional to 399,358,827.34, 599,102,610.72 and 123,009,913.06

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Solution

The fourth proportional to 399,358,827.34, 599,102,610.72 and 123,009,913.06 is: 184,534,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,358,827.34 : 599,102,610.72 = 123,009,913.06 : x
  2. Step 2: Convert to fraction form
    399,358,827.34/599,102,610.72 = 123,009,913.06/x
  3. Step 3: Cross multiply
    399,358,827.34x = 599,102,610.72 × 123,009,913.06
  4. Step 4: Simplify right side
    399,358,827.34x = 73,695,560,058,686,224
  5. Step 5: Solve for x
    x = 73,695,560,058,686,224/399,358,827.34
  6. Step 6: Final answer
    x = 184,534,696.65

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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.