Home / 487,978,290.92-673,403,152.54-276,279,662.51

Finding the Fourth Proportional to 487,978,290.92, 673,403,152.54 and 276,279,662.51

Calculator

Solution

The fourth proportional to 487,978,290.92, 673,403,152.54 and 276,279,662.51 is: 381,262,033.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,978,290.92 : 673,403,152.54 = 276,279,662.51 : x
  2. Step 2: Convert to fraction form
    487,978,290.92/673,403,152.54 = 276,279,662.51/x
  3. Step 3: Cross multiply
    487,978,290.92x = 673,403,152.54 × 276,279,662.51
  4. Step 4: Simplify right side
    487,978,290.92x = 186,047,595,714,796,224
  5. Step 5: Solve for x
    x = 186,047,595,714,796,224/487,978,290.92
  6. Step 6: Final answer
    x = 381,262,033.94

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.