Home / 690,899,004.54-1,036,530,230.11-248,286,399.39

Finding the Fourth Proportional to 690,899,004.54, 1,036,530,230.11 and 248,286,399.39

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Solution

The fourth proportional to 690,899,004.54, 1,036,530,230.11 and 248,286,399.39 is: 372,494,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,899,004.54 : 1,036,530,230.11 = 248,286,399.39 : x
  2. Step 2: Convert to fraction form
    690,899,004.54/1,036,530,230.11 = 248,286,399.39/x
  3. Step 3: Cross multiply
    690,899,004.54x = 1,036,530,230.11 × 248,286,399.39
  4. Step 4: Simplify right side
    690,899,004.54x = 257,356,358,692,279,328
  5. Step 5: Solve for x
    x = 257,356,358,692,279,328/690,899,004.54
  6. Step 6: Final answer
    x = 372,494,904.47

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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.