Home / 723,522,955.04-998,462,169.60-405,939,359.36

Finding the Fourth Proportional to 723,522,955.04, 998,462,169.60 and 405,939,359.36

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Solution

The fourth proportional to 723,522,955.04, 998,462,169.60 and 405,939,359.36 is: 560,196,591.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,522,955.04 : 998,462,169.60 = 405,939,359.36 : x
  2. Step 2: Convert to fraction form
    723,522,955.04/998,462,169.60 = 405,939,359.36/x
  3. Step 3: Cross multiply
    723,522,955.04x = 998,462,169.60 × 405,939,359.36
  4. Step 4: Simplify right side
    723,522,955.04x = 405,315,093,472,619,712
  5. Step 5: Solve for x
    x = 405,315,093,472,619,712/723,522,955.04
  6. Step 6: Final answer
    x = 560,196,591.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.