Finding the Fourth Proportional to 577,169,566.80, 796,472,663.74 and 312,845,884.75
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Solution
The fourth proportional to 577,169,566.80, 796,472,663.74 and 312,845,884.75 is: 431,715,754.78
Step by Step Solution
- Step 1: Write the proportion equation
577,169,566.80 : 796,472,663.74 = 312,845,884.75 : x - Step 2: Convert to fraction form
577,169,566.80/796,472,663.74 = 312,845,884.75/x - Step 3: Cross multiply
577,169,566.80x = 796,472,663.74 × 312,845,884.75 - Step 4: Simplify right side
577,169,566.80x = 249,173,195,166,929,536 - Step 5: Solve for x
x = 249,173,195,166,929,536/577,169,566.80 - Step 6: Final answer
x = 431,715,754.78
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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.