Home / 379,065,480.42-523,077,896.80-218,134,677.18

Finding the Fourth Proportional to 379,065,480.42, 523,077,896.80 and 218,134,677.18

Calculator

Solution

The fourth proportional to 379,065,480.42, 523,077,896.80 and 218,134,677.18 is: 301,007,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,065,480.42 : 523,077,896.80 = 218,134,677.18 : x
  2. Step 2: Convert to fraction form
    379,065,480.42/523,077,896.80 = 218,134,677.18/x
  3. Step 3: Cross multiply
    379,065,480.42x = 523,077,896.80 × 218,134,677.18
  4. Step 4: Simplify right side
    379,065,480.42x = 114,101,428,158,461,360
  5. Step 5: Solve for x
    x = 114,101,428,158,461,360/379,065,480.42
  6. Step 6: Final answer
    x = 301,007,171.72

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.