Finding the Fourth Proportional to 1,218,946,645,047.10, 1,827,212,232,268.80 and 572,394,880,903.80
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Solution
The fourth proportional to 1,218,946,645,047.10, 1,827,212,232,268.80 and 572,394,880,903.80 is: 858,025,191,114.95
Step by Step Solution
- Step 1: Write the proportion equation
1,218,946,645,047.10 : 1,827,212,232,268.80 = 572,394,880,903.80 : x - Step 2: Convert to fraction form
1,218,946,645,047.10/1,827,212,232,268.80 = 572,394,880,903.80/x - Step 3: Cross multiply
1,218,946,645,047.10x = 1,827,212,232,268.80 × 572,394,880,903.80 - Step 4: Simplify right side
1,218,946,645,047.10x = 1,045,886,928,075,466,488,152,064 - Step 5: Solve for x
x = 1,045,886,928,075,466,488,152,064/1,218,946,645,047.10 - Step 6: Final answer
x = 858,025,191,114.95
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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.