Home / 525,906,798.48-725,766,759.72-287,766,280.08

Finding the Fourth Proportional to 525,906,798.48, 725,766,759.72 and 287,766,280.08

Calculator

Solution

The fourth proportional to 525,906,798.48, 725,766,759.72 and 287,766,280.08 is: 397,125,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,906,798.48 : 725,766,759.72 = 287,766,280.08 : x
  2. Step 2: Convert to fraction form
    525,906,798.48/725,766,759.72 = 287,766,280.08/x
  3. Step 3: Cross multiply
    525,906,798.48x = 725,766,759.72 × 287,766,280.08
  4. Step 4: Simplify right side
    525,906,798.48x = 208,851,200,650,339,584
  5. Step 5: Solve for x
    x = 208,851,200,650,339,584/525,906,798.48
  6. Step 6: Final answer
    x = 397,125,880.96

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.