Home / 687,483,902.17-1,031,299,650.56-294,051,589.12

Finding the Fourth Proportional to 687,483,902.17, 1,031,299,650.56 and 294,051,589.12

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Solution

The fourth proportional to 687,483,902.17, 1,031,299,650.56 and 294,051,589.12 is: 441,108,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,483,902.17 : 1,031,299,650.56 = 294,051,589.12 : x
  2. Step 2: Convert to fraction form
    687,483,902.17/1,031,299,650.56 = 294,051,589.12/x
  3. Step 3: Cross multiply
    687,483,902.17x = 1,031,299,650.56 × 294,051,589.12
  4. Step 4: Simplify right side
    687,483,902.17x = 303,255,301,106,068,672
  5. Step 5: Solve for x
    x = 303,255,301,106,068,672/687,483,902.17
  6. Step 6: Final answer
    x = 441,108,948.37

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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.