Finding the Fourth Proportional to 557,360,149.74, 835,487,990.82 and 261,726,055.49
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Solution
The fourth proportional to 557,360,149.74, 835,487,990.82 and 261,726,055.49 is: 392,329,764.42
Step by Step Solution
- Step 1: Write the proportion equation
557,360,149.74 : 835,487,990.82 = 261,726,055.49 : x - Step 2: Convert to fraction form
557,360,149.74/835,487,990.82 = 261,726,055.49/x - Step 3: Cross multiply
557,360,149.74x = 835,487,990.82 × 261,726,055.49 - Step 4: Simplify right side
557,360,149.74x = 218,668,976,242,406,528 - Step 5: Solve for x
x = 218,668,976,242,406,528/557,360,149.74 - Step 6: Final answer
x = 392,329,764.42
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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.