Home / 628,123,236.32-941,748,543.78-278,178,610.70

Finding the Fourth Proportional to 628,123,236.32, 941,748,543.78 and 278,178,610.70

Calculator

Solution

The fourth proportional to 628,123,236.32, 941,748,543.78 and 278,178,610.70 is: 417,074,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,123,236.32 : 941,748,543.78 = 278,178,610.70 : x
  2. Step 2: Convert to fraction form
    628,123,236.32/941,748,543.78 = 278,178,610.70/x
  3. Step 3: Cross multiply
    628,123,236.32x = 941,748,543.78 × 278,178,610.70
  4. Step 4: Simplify right side
    628,123,236.32x = 261,974,301,537,468,512
  5. Step 5: Solve for x
    x = 261,974,301,537,468,512/628,123,236.32
  6. Step 6: Final answer
    x = 417,074,685.97

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.