Finding the Fourth Proportional to 517,529,516.82, 776,536,693.29 and 255,070,991.99
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Solution
The fourth proportional to 517,529,516.82, 776,536,693.29 and 255,070,991.99 is: 382,725,966.81
Step by Step Solution
- Step 1: Write the proportion equation
517,529,516.82 : 776,536,693.29 = 255,070,991.99 : x - Step 2: Convert to fraction form
517,529,516.82/776,536,693.29 = 255,070,991.99/x - Step 3: Cross multiply
517,529,516.82x = 776,536,693.29 × 255,070,991.99 - Step 4: Simplify right side
517,529,516.82x = 198,071,984,676,056,000 - Step 5: Solve for x
x = 198,071,984,676,056,000/517,529,516.82 - Step 6: Final answer
x = 382,725,966.81
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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.