Home / 687,483,902.67-1,031,299,651.31-294,051,589.62

Finding the Fourth Proportional to 687,483,902.67, 1,031,299,651.31 and 294,051,589.62

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Solution

The fourth proportional to 687,483,902.67, 1,031,299,651.31 and 294,051,589.62 is: 441,108,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,483,902.67 : 1,031,299,651.31 = 294,051,589.62 : x
  2. Step 2: Convert to fraction form
    687,483,902.67/1,031,299,651.31 = 294,051,589.62/x
  3. Step 3: Cross multiply
    687,483,902.67x = 1,031,299,651.31 × 294,051,589.62
  4. Step 4: Simplify right side
    687,483,902.67x = 303,255,301,840,786,944
  5. Step 5: Solve for x
    x = 303,255,301,840,786,944/687,483,902.67
  6. Step 6: Final answer
    x = 441,108,949.12

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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.