Home / 631,855,470.34-947,912,472.09-217,278,450.30

Finding the Fourth Proportional to 631,855,470.34, 947,912,472.09 and 217,278,450.30

Calculator

Solution

The fourth proportional to 631,855,470.34, 947,912,472.09 and 217,278,450.30 is: 325,962,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,855,470.34 : 947,912,472.09 = 217,278,450.30 : x
  2. Step 2: Convert to fraction form
    631,855,470.34/947,912,472.09 = 217,278,450.30/x
  3. Step 3: Cross multiply
    631,855,470.34x = 947,912,472.09 × 217,278,450.30
  4. Step 4: Simplify right side
    631,855,470.34x = 205,960,952,955,757,216
  5. Step 5: Solve for x
    x = 205,960,952,955,757,216/631,855,470.34
  6. Step 6: Final answer
    x = 325,962,126.82

Related Problems

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.