Finding the Fourth Proportional to 577,169,570.88, 796,472,669.50 and 312,845,888.96
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Solution
The fourth proportional to 577,169,570.88, 796,472,669.50 and 312,845,888.96 is: 431,715,760.66
Step by Step Solution
- Step 1: Write the proportion equation
577,169,570.88 : 796,472,669.50 = 312,845,888.96 : x - Step 2: Convert to fraction form
577,169,570.88/796,472,669.50 = 312,845,888.96/x - Step 3: Cross multiply
577,169,570.88x = 796,472,669.50 × 312,845,888.96 - Step 4: Simplify right side
577,169,570.88x = 249,173,200,322,071,776 - Step 5: Solve for x
x = 249,173,200,322,071,776/577,169,570.88 - Step 6: Final answer
x = 431,715,760.66
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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.