Home / 709,850,531.79-979,575,686.85-396,587,098.44

Finding the Fourth Proportional to 709,850,531.79, 979,575,686.85 and 396,587,098.44

Calculator

Solution

The fourth proportional to 709,850,531.79, 979,575,686.85 and 396,587,098.44 is: 547,280,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,850,531.79 : 979,575,686.85 = 396,587,098.44 : x
  2. Step 2: Convert to fraction form
    709,850,531.79/979,575,686.85 = 396,587,098.44/x
  3. Step 3: Cross multiply
    709,850,531.79x = 979,575,686.85 × 396,587,098.44
  4. Step 4: Simplify right side
    709,850,531.79x = 388,487,079,350,211,584
  5. Step 5: Solve for x
    x = 388,487,079,350,211,584/709,850,531.79
  6. Step 6: Final answer
    x = 547,280,113.14

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.