Finding the Fourth Proportional to 354,461,710.80, 532,239,996.60 and 193,218,574.80
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Solution
The fourth proportional to 354,461,710.80, 532,239,996.60 and 193,218,574.80 is: 290,126,268.82
Step by Step Solution
- Step 1: Write the proportion equation
354,461,710.80 : 532,239,996.60 = 193,218,574.80 : x - Step 2: Convert to fraction form
354,461,710.80/532,239,996.60 = 193,218,574.80/x - Step 3: Cross multiply
354,461,710.80x = 532,239,996.60 × 193,218,574.80 - Step 4: Simplify right side
354,461,710.80x = 102,838,653,594,608,864 - Step 5: Solve for x
x = 102,838,653,594,608,864/354,461,710.80 - Step 6: Final answer
x = 290,126,268.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.