Finding the Fourth Proportional to 372,295,891.63, 557,717,338.99 and 290,029,572.06
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Solution
The fourth proportional to 372,295,891.63, 557,717,338.99 and 290,029,572.06 is: 434,478,394.19
Step by Step Solution
- Step 1: Write the proportion equation
372,295,891.63 : 557,717,338.99 = 290,029,572.06 : x - Step 2: Convert to fraction form
372,295,891.63/557,717,338.99 = 290,029,572.06/x - Step 3: Cross multiply
372,295,891.63x = 557,717,338.99 × 290,029,572.06 - Step 4: Simplify right side
372,295,891.63x = 161,754,521,157,711,648 - Step 5: Solve for x
x = 161,754,521,157,711,648/372,295,891.63 - Step 6: Final answer
x = 434,478,394.19
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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.