Home / 708,589,070.80-989,728,874-708,589,070.80

Finding the Fourth Proportional to 708,589,070.80, 989,728,874 and 708,589,070.80

Calculator

Solution

The fourth proportional to 708,589,070.80, 989,728,874 and 708,589,070.80 is: 989,728,874

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,070.80 : 989,728,874 = 708,589,070.80 : x
  2. Step 2: Convert to fraction form
    708,589,070.80/989,728,874 = 708,589,070.80/x
  3. Step 3: Cross multiply
    708,589,070.80x = 989,728,874 × 708,589,070.80
  4. Step 4: Simplify right side
    708,589,070.80x = 701,311,063,171,590,272
  5. Step 5: Solve for x
    x = 701,311,063,171,590,272/708,589,070.80
  6. Step 6: Final answer
    x = 989,728,874

Related Problems

Find fourth proportional to 354,294,535.40, 494,864,437 and 354,294,535.40
Half scale
Find fourth proportional to 1,417,178,141.60, 1,979,457,748 and 1,417,178,141.60
Double scale
Find fourth proportional to 708,589,071.80, 989,728,875.40 and 708,589,071.80
Similar ratio
Find fourth proportional to 1,062,883,606.20, 1,484,593,311 and 1,062,883,606.20
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.