Home / 389,022,725.82-536,849,756.46-210,406,813.60

Finding the Fourth Proportional to 389,022,725.82, 536,849,756.46 and 210,406,813.60

Calculator

Solution

The fourth proportional to 389,022,725.82, 536,849,756.46 and 210,406,813.60 is: 290,360,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,022,725.82 : 536,849,756.46 = 210,406,813.60 : x
  2. Step 2: Convert to fraction form
    389,022,725.82/536,849,756.46 = 210,406,813.60/x
  3. Step 3: Cross multiply
    389,022,725.82x = 536,849,756.46 × 210,406,813.60
  4. Step 4: Simplify right side
    389,022,725.82x = 112,956,846,638,684,608
  5. Step 5: Solve for x
    x = 112,956,846,638,684,608/389,022,725.82
  6. Step 6: Final answer
    x = 290,360,534.59

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.