Finding the Fourth Proportional to 1,218,946,645,039.10, 1,827,212,232,256.80 and 572,394,880,895.80
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Solution
The fourth proportional to 1,218,946,645,039.10, 1,827,212,232,256.80 and 572,394,880,895.80 is: 858,025,191,102.96
Step by Step Solution
- Step 1: Write the proportion equation
1,218,946,645,039.10 : 1,827,212,232,256.80 = 572,394,880,895.80 : x - Step 2: Convert to fraction form
1,218,946,645,039.10/1,827,212,232,256.80 = 572,394,880,895.80/x - Step 3: Cross multiply
1,218,946,645,039.10x = 1,827,212,232,256.80 × 572,394,880,895.80 - Step 4: Simplify right side
1,218,946,645,039.10x = 1,045,886,928,053,979,974,729,728 - Step 5: Solve for x
x = 1,045,886,928,053,979,974,729,728/1,218,946,645,039.10 - Step 6: Final answer
x = 858,025,191,102.96
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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.