Finding the Fourth Proportional to 577,169,551.85, 796,472,643.08 and 312,845,869.77
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Solution
The fourth proportional to 577,169,551.85, 796,472,643.08 and 312,845,869.77 is: 431,715,734.09
Step by Step Solution
- Step 1: Write the proportion equation
577,169,551.85 : 796,472,643.08 = 312,845,869.77 : x - Step 2: Convert to fraction form
577,169,551.85/796,472,643.08 = 312,845,869.77/x - Step 3: Cross multiply
577,169,551.85x = 796,472,643.08 × 312,845,869.77 - Step 4: Simplify right side
577,169,551.85x = 249,173,176,770,809,152 - Step 5: Solve for x
x = 249,173,176,770,809,152/577,169,551.85 - Step 6: Final answer
x = 431,715,734.09
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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.