Home / 789,113,219.72-1,088,978,361.10-436,713,511.64

Finding the Fourth Proportional to 789,113,219.72, 1,088,978,361.10 and 436,713,511.64

Calculator

Solution

The fourth proportional to 789,113,219.72, 1,088,978,361.10 and 436,713,511.64 is: 602,665,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,113,219.72 : 1,088,978,361.10 = 436,713,511.64 : x
  2. Step 2: Convert to fraction form
    789,113,219.72/1,088,978,361.10 = 436,713,511.64/x
  3. Step 3: Cross multiply
    789,113,219.72x = 1,088,978,361.10 × 436,713,511.64
  4. Step 4: Simplify right side
    789,113,219.72x = 475,571,564,169,416,320
  5. Step 5: Solve for x
    x = 475,571,564,169,416,320/789,113,219.72
  6. Step 6: Final answer
    x = 602,665,818.15

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.