Finding the Fourth Proportional to 545,013,175.20, 817,531,375.68 and 195,282,088.80
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Solution
The fourth proportional to 545,013,175.20, 817,531,375.68 and 195,282,088.80 is: 292,927,294.18
Step by Step Solution
- Step 1: Write the proportion equation
545,013,175.20 : 817,531,375.68 = 195,282,088.80 : x - Step 2: Convert to fraction form
545,013,175.20/817,531,375.68 = 195,282,088.80/x - Step 3: Cross multiply
545,013,175.20x = 817,531,375.68 × 195,282,088.80 - Step 4: Simplify right side
545,013,175.20x = 159,649,234,702,327,904 - Step 5: Solve for x
x = 159,649,234,702,327,904/545,013,175.20 - Step 6: Final answer
x = 292,927,294.18
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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.