Finding the Fourth Proportional to 608,641,195.78, 913,552,159.92 and 293,728,841.80
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Solution
The fourth proportional to 608,641,195.78, 913,552,159.92 and 293,728,841.80 is: 440,878,172.09
Step by Step Solution
- Step 1: Write the proportion equation
608,641,195.78 : 913,552,159.92 = 293,728,841.80 : x - Step 2: Convert to fraction form
608,641,195.78/913,552,159.92 = 293,728,841.80/x - Step 3: Cross multiply
608,641,195.78x = 913,552,159.92 × 293,728,841.80 - Step 4: Simplify right side
608,641,195.78x = 268,336,617,857,189,984 - Step 5: Solve for x
x = 268,336,617,857,189,984/608,641,195.78 - Step 6: Final answer
x = 440,878,172.09
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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.