Finding the Fourth Proportional to 783,839,541.91, 1,175,784,778.08 and 231,095,618.70
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Solution
The fourth proportional to 783,839,541.91, 1,175,784,778.08 and 231,095,618.70 is: 346,650,935.85
Step by Step Solution
- Step 1: Write the proportion equation
783,839,541.91 : 1,175,784,778.08 = 231,095,618.70 : x - Step 2: Convert to fraction form
783,839,541.91/1,175,784,778.08 = 231,095,618.70/x - Step 3: Cross multiply
783,839,541.91x = 1,175,784,778.08 × 231,095,618.70 - Step 4: Simplify right side
783,839,541.91x = 271,718,710,754,601,280 - Step 5: Solve for x
x = 271,718,710,754,601,280/783,839,541.91 - Step 6: Final answer
x = 346,650,935.85
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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.