Finding the Fourth Proportional to 828,405,312.24, 1,242,285,035.13 and 310,553,193
Calculator
Solution
The fourth proportional to 828,405,312.24, 1,242,285,035.13 and 310,553,193 is: 465,708,728.05
Step by Step Solution
- Step 1: Write the proportion equation
828,405,312.24 : 1,242,285,035.13 = 310,553,193 : x - Step 2: Convert to fraction form
828,405,312.24/1,242,285,035.13 = 310,553,193/x - Step 3: Cross multiply
828,405,312.24x = 1,242,285,035.13 × 310,553,193 - Step 4: Simplify right side
828,405,312.24x = 385,795,584,275,738,688 - Step 5: Solve for x
x = 385,795,584,275,738,688/828,405,312.24 - Step 6: Final answer
x = 465,708,728.05
Related Problems
Find fourth proportional to 414,202,656.12, 621,142,517.57 and 155,276,596.50
Half scale
Find fourth proportional to 1,656,810,624.48, 2,484,570,070.26 and 621,106,386
Double scale
Find fourth proportional to 828,405,313.24, 1,242,285,036.63 and 310,553,194
Similar ratio
Find fourth proportional to 1,242,607,968.36, 1,863,427,552.70 and 465,829,789.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.