Finding the Fourth Proportional to 827,879,984.40, 1,242,681,305.07 and 609,776,598
Calculator
Solution
The fourth proportional to 827,879,984.40, 1,242,681,305.07 and 609,776,598 is: 915,299,310.14
Step by Step Solution
- Step 1: Write the proportion equation
827,879,984.40 : 1,242,681,305.07 = 609,776,598 : x - Step 2: Convert to fraction form
827,879,984.40/1,242,681,305.07 = 609,776,598/x - Step 3: Cross multiply
827,879,984.40x = 1,242,681,305.07 × 609,776,598 - Step 4: Simplify right side
827,879,984.40x = 757,757,978,603,784,704 - Step 5: Solve for x
x = 757,757,978,603,784,704/827,879,984.40 - Step 6: Final answer
x = 915,299,310.14
Related Problems
Find fourth proportional to 413,939,992.20, 621,340,652.54 and 304,888,299
Half scale
Find fourth proportional to 1,655,759,968.80, 2,485,362,610.14 and 1,219,553,196
Double scale
Find fourth proportional to 827,879,985.40, 1,242,681,306.57 and 609,776,599
Similar ratio
Find fourth proportional to 1,241,819,976.60, 1,864,021,957.61 and 914,664,897
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.