Finding the Fourth Proportional to 297,370,703.20, 409,852,118.56 and 217,816,750.70
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Solution
The fourth proportional to 297,370,703.20, 409,852,118.56 and 217,816,750.70 is: 300,206,630.21
Step by Step Solution
- Step 1: Write the proportion equation
297,370,703.20 : 409,852,118.56 = 217,816,750.70 : x - Step 2: Convert to fraction form
297,370,703.20/409,852,118.56 = 217,816,750.70/x - Step 3: Cross multiply
297,370,703.20x = 409,852,118.56 × 217,816,750.70 - Step 4: Simplify right side
297,370,703.20x = 89,272,656,732,250,352 - Step 5: Solve for x
x = 89,272,656,732,250,352/297,370,703.20 - Step 6: Final answer
x = 300,206,630.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.