Home / 320,579,739,868.96-480,869,333,512.44-81,814,369,726.72

Finding the Fourth Proportional to 320,579,739,868.96, 480,869,333,512.44 and 81,814,369,726.72

Calculator

Solution

The fourth proportional to 320,579,739,868.96, 480,869,333,512.44 and 81,814,369,726.72 is: 122,721,484,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,579,739,868.96 : 480,869,333,512.44 = 81,814,369,726.72 : x
  2. Step 2: Convert to fraction form
    320,579,739,868.96/480,869,333,512.44 = 81,814,369,726.72/x
  3. Step 3: Cross multiply
    320,579,739,868.96x = 480,869,333,512.44 × 81,814,369,726.72
  4. Step 4: Simplify right side
    320,579,739,868.96x = 39,342,021,442,228,191,232,000
  5. Step 5: Solve for x
    x = 39,342,021,442,228,191,232,000/320,579,739,868.96
  6. Step 6: Final answer
    x = 122,721,484,078.53

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.