Home / 472,362,666.40-708,543,999.60-268,289,322.40

Finding the Fourth Proportional to 472,362,666.40, 708,543,999.60 and 268,289,322.40

Calculator

Solution

The fourth proportional to 472,362,666.40, 708,543,999.60 and 268,289,322.40 is: 402,433,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,362,666.40 : 708,543,999.60 = 268,289,322.40 : x
  2. Step 2: Convert to fraction form
    472,362,666.40/708,543,999.60 = 268,289,322.40/x
  3. Step 3: Cross multiply
    472,362,666.40x = 708,543,999.60 × 268,289,322.40
  4. Step 4: Simplify right side
    472,362,666.40x = 190,094,789,543,269,888
  5. Step 5: Solve for x
    x = 190,094,789,543,269,888/472,362,666.40
  6. Step 6: Final answer
    x = 402,433,983.60

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.