Finding the Fourth Proportional to 1,065,281,065, 1,597,921,597.50 and 299,376,169
Calculator
Solution
The fourth proportional to 1,065,281,065, 1,597,921,597.50 and 299,376,169 is: 449,064,253.50
Step by Step Solution
- Step 1: Write the proportion equation
1,065,281,065 : 1,597,921,597.50 = 299,376,169 : x - Step 2: Convert to fraction form
1,065,281,065/1,597,921,597.50 = 299,376,169/x - Step 3: Cross multiply
1,065,281,065x = 1,597,921,597.50 × 299,376,169 - Step 4: Simplify right side
1,065,281,065x = 478,379,646,221,909,952 - Step 5: Solve for x
x = 478,379,646,221,909,952/1,065,281,065 - Step 6: Final answer
x = 449,064,253.50
Related Problems
Find fourth proportional to 532,640,532.50, 798,960,798.75 and 149,688,084.50
Half scale
Find fourth proportional to 2,130,562,130, 3,195,843,195 and 598,752,338
Double scale
Find fourth proportional to 1,065,281,066, 1,597,921,599 and 299,376,170
Similar ratio
Find fourth proportional to 1,597,921,597.50, 2,396,882,396.25 and 449,064,253.50
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.