Finding the Fourth Proportional to 487,465,537,921.91, 731,077,476,806.74 and 164,761,177,194.46
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Solution
The fourth proportional to 487,465,537,921.91, 731,077,476,806.74 and 164,761,177,194.46 is: 247,100,925,764.99
Step by Step Solution
- Step 1: Write the proportion equation
487,465,537,921.91 : 731,077,476,806.74 = 164,761,177,194.46 : x - Step 2: Convert to fraction form
487,465,537,921.91/731,077,476,806.74 = 164,761,177,194.46/x - Step 3: Cross multiply
487,465,537,921.91x = 731,077,476,806.74 × 164,761,177,194.46 - Step 4: Simplify right side
487,465,537,921.91x = 120,453,185,699,034,005,766,144 - Step 5: Solve for x
x = 120,453,185,699,034,005,766,144/487,465,537,921.91 - Step 6: Final answer
x = 247,100,925,764.99
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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.