Finding the Fourth Proportional to 1,647,316,395.82, 2,273,288,862.90 and 894,624,304.06
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Solution
The fourth proportional to 1,647,316,395.82, 2,273,288,862.90 and 894,624,304.06 is: 1,234,577,323.49
Step by Step Solution
- Step 1: Write the proportion equation
1,647,316,395.82 : 2,273,288,862.90 = 894,624,304.06 : x - Step 2: Convert to fraction form
1,647,316,395.82/2,273,288,862.90 = 894,624,304.06/x - Step 3: Cross multiply
1,647,316,395.82x = 2,273,288,862.90 × 894,624,304.06 - Step 4: Simplify right side
1,647,316,395.82x = 2,033,739,466,899,261,184 - Step 5: Solve for x
x = 2,033,739,466,899,261,184/1,647,316,395.82 - Step 6: Final answer
x = 1,234,577,323.49
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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.