Home / 843,078,689.71-1,163,570,288.84-485,778,034.91

Finding the Fourth Proportional to 843,078,689.71, 1,163,570,288.84 and 485,778,034.91

Calculator

Solution

The fourth proportional to 843,078,689.71, 1,163,570,288.84 and 485,778,034.91 is: 670,443,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,078,689.71 : 1,163,570,288.84 = 485,778,034.91 : x
  2. Step 2: Convert to fraction form
    843,078,689.71/1,163,570,288.84 = 485,778,034.91/x
  3. Step 3: Cross multiply
    843,078,689.71x = 1,163,570,288.84 × 485,778,034.91
  4. Step 4: Simplify right side
    843,078,689.71x = 565,236,888,392,356,288
  5. Step 5: Solve for x
    x = 565,236,888,392,356,288/843,078,689.71
  6. Step 6: Final answer
    x = 670,443,809.45

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.