Home / 408,726,326.31-564,780,143.15-291,047,352.81

Finding the Fourth Proportional to 408,726,326.31, 564,780,143.15 and 291,047,352.81

Calculator

Solution

The fourth proportional to 408,726,326.31, 564,780,143.15 and 291,047,352.81 is: 402,170,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,726,326.31 : 564,780,143.15 = 291,047,352.81 : x
  2. Step 2: Convert to fraction form
    408,726,326.31/564,780,143.15 = 291,047,352.81/x
  3. Step 3: Cross multiply
    408,726,326.31x = 564,780,143.15 × 291,047,352.81
  4. Step 4: Simplify right side
    408,726,326.31x = 164,377,765,582,005,120
  5. Step 5: Solve for x
    x = 164,377,765,582,005,120/408,726,326.31
  6. Step 6: Final answer
    x = 402,170,731.37

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.