Home / 472,396,219.20-708,594,328.80-342,299,462.40

Finding the Fourth Proportional to 472,396,219.20, 708,594,328.80 and 342,299,462.40

Calculator

Solution

The fourth proportional to 472,396,219.20, 708,594,328.80 and 342,299,462.40 is: 513,449,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,219.20 : 708,594,328.80 = 342,299,462.40 : x
  2. Step 2: Convert to fraction form
    472,396,219.20/708,594,328.80 = 342,299,462.40/x
  3. Step 3: Cross multiply
    472,396,219.20x = 708,594,328.80 × 342,299,462.40
  4. Step 4: Simplify right side
    472,396,219.20x = 242,551,457,807,928,800
  5. Step 5: Solve for x
    x = 242,551,457,807,928,800/472,396,219.20
  6. Step 6: Final answer
    x = 513,449,193.60

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.