Home / 509,315,890.05-763,972,880.36-159,588,731.61

Finding the Fourth Proportional to 509,315,890.05, 763,972,880.36 and 159,588,731.61

Calculator

Solution

The fourth proportional to 509,315,890.05, 763,972,880.36 and 159,588,731.61 is: 239,382,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,315,890.05 : 763,972,880.36 = 159,588,731.61 : x
  2. Step 2: Convert to fraction form
    509,315,890.05/763,972,880.36 = 159,588,731.61/x
  3. Step 3: Cross multiply
    509,315,890.05x = 763,972,880.36 × 159,588,731.61
  4. Step 4: Simplify right side
    509,315,890.05x = 121,921,462,960,292,752
  5. Step 5: Solve for x
    x = 121,921,462,960,292,752/509,315,890.05
  6. Step 6: Final answer
    x = 239,382,798.26

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.