Home / 687,483,898.67-1,031,299,645.31-294,051,585.62

Finding the Fourth Proportional to 687,483,898.67, 1,031,299,645.31 and 294,051,585.62

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Solution

The fourth proportional to 687,483,898.67, 1,031,299,645.31 and 294,051,585.62 is: 441,108,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,483,898.67 : 1,031,299,645.31 = 294,051,585.62 : x
  2. Step 2: Convert to fraction form
    687,483,898.67/1,031,299,645.31 = 294,051,585.62/x
  3. Step 3: Cross multiply
    687,483,898.67x = 1,031,299,645.31 × 294,051,585.62
  4. Step 4: Simplify right side
    687,483,898.67x = 303,255,295,952,749,056
  5. Step 5: Solve for x
    x = 303,255,295,952,749,056/687,483,898.67
  6. Step 6: Final answer
    x = 441,108,943.12

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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.