Home / 491,233,982.79-677,897,754.87-268,214,973.20

Finding the Fourth Proportional to 491,233,982.79, 677,897,754.87 and 268,214,973.20

Calculator

Solution

The fourth proportional to 491,233,982.79, 677,897,754.87 and 268,214,973.20 is: 370,133,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,233,982.79 : 677,897,754.87 = 268,214,973.20 : x
  2. Step 2: Convert to fraction form
    491,233,982.79/677,897,754.87 = 268,214,973.20/x
  3. Step 3: Cross multiply
    491,233,982.79x = 677,897,754.87 × 268,214,973.20
  4. Step 4: Simplify right side
    491,233,982.79x = 181,822,328,151,407,712
  5. Step 5: Solve for x
    x = 181,822,328,151,407,712/491,233,982.79
  6. Step 6: Final answer
    x = 370,133,855.80

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.