Finding the Fourth Proportional to 287,309,245,276.04, 430,964,282,690.36 and 117,328,834,304.40
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Solution
The fourth proportional to 287,309,245,276.04, 430,964,282,690.36 and 117,328,834,304.40 is: 175,993,420,839.31
Step by Step Solution
- Step 1: Write the proportion equation
287,309,245,276.04 : 430,964,282,690.36 = 117,328,834,304.40 : x - Step 2: Convert to fraction form
287,309,245,276.04/430,964,282,690.36 = 117,328,834,304.40/x - Step 3: Cross multiply
287,309,245,276.04x = 430,964,282,690.36 × 117,328,834,304.40 - Step 4: Simplify right side
287,309,245,276.04x = 50,564,536,914,891,843,305,472 - Step 5: Solve for x
x = 50,564,536,914,891,843,305,472/287,309,245,276.04 - Step 6: Final answer
x = 175,993,420,839.31
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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.