Finding the Fourth Proportional to 1,537,905,988.28, 2,122,320,454 and 833,057,969.70
Calculator
Solution
The fourth proportional to 1,537,905,988.28, 2,122,320,454 and 833,057,969.70 is: 1,149,625,518.03
Step by Step Solution
- Step 1: Write the proportion equation
1,537,905,988.28 : 2,122,320,454 = 833,057,969.70 : x - Step 2: Convert to fraction form
1,537,905,988.28/2,122,320,454 = 833,057,969.70/x - Step 3: Cross multiply
1,537,905,988.28x = 2,122,320,454 × 833,057,969.70 - Step 4: Simplify right side
1,537,905,988.28x = 1,768,015,968,462,022,400 - Step 5: Solve for x
x = 1,768,015,968,462,022,400/1,537,905,988.28 - Step 6: Final answer
x = 1,149,625,518.03
Related Problems
Find fourth proportional to 768,952,994.14, 1,061,160,227 and 416,528,984.85
Half scale
Find fourth proportional to 3,075,811,976.56, 4,244,640,908 and 1,666,115,939.40
Double scale
Find fourth proportional to 1,537,905,989.28, 2,122,320,455.38 and 833,057,970.70
Similar ratio
Find fourth proportional to 2,306,858,982.42, 3,183,480,681 and 1,249,586,954.55
1.5x scale
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.