Finding the Fourth Proportional to 297,370,701.19, 409,852,115.80 and 217,816,748.70
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Solution
The fourth proportional to 297,370,701.19, 409,852,115.80 and 217,816,748.70 is: 300,206,627.46
Step by Step Solution
- Step 1: Write the proportion equation
297,370,701.19 : 409,852,115.80 = 217,816,748.70 : x - Step 2: Convert to fraction form
297,370,701.19/409,852,115.80 = 217,816,748.70/x - Step 3: Cross multiply
297,370,701.19x = 409,852,115.80 × 217,816,748.70 - Step 4: Simplify right side
297,370,701.19x = 89,272,655,309,290,416 - Step 5: Solve for x
x = 89,272,655,309,290,416/297,370,701.19 - Step 6: Final answer
x = 300,206,627.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.