Finding the Fourth Proportional to 2,690,420,839.60, 4,035,631,259.40 and 1,651,914,266.80
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Solution
The fourth proportional to 2,690,420,839.60, 4,035,631,259.40 and 1,651,914,266.80 is: 2,477,871,400.20
Step by Step Solution
- Step 1: Write the proportion equation
2,690,420,839.60 : 4,035,631,259.40 = 1,651,914,266.80 : x - Step 2: Convert to fraction form
2,690,420,839.60/4,035,631,259.40 = 1,651,914,266.80/x - Step 3: Cross multiply
2,690,420,839.60x = 4,035,631,259.40 × 1,651,914,266.80 - Step 4: Simplify right side
2,690,420,839.60x = 6,666,516,852,946,911,232 - Step 5: Solve for x
x = 6,666,516,852,946,911,232/2,690,420,839.60 - Step 6: Final answer
x = 2,477,871,400.20
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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.