Finding the Fourth Proportional to 18,387,791,692,947, 27,581,714,085,118 and 7,509,045,390,771
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Solution
The fourth proportional to 18,387,791,692,947, 27,581,714,085,118 and 7,509,045,390,771 is: 11,263,578,926,656.04
Step by Step Solution
- Step 1: Write the proportion equation
18,387,791,692,947 : 27,581,714,085,118 = 7,509,045,390,771 : x - Step 2: Convert to fraction form
18,387,791,692,947/27,581,714,085,118 = 7,509,045,390,771/x - Step 3: Cross multiply
18,387,791,692,947x = 27,581,714,085,118 × 7,509,045,390,771 - Step 4: Simplify right side
18,387,791,692,947x = 207,112,343,020,418,876,424,847,360 - Step 5: Solve for x
x = 207,112,343,020,418,876,424,847,360/18,387,791,692,947 - Step 6: Final answer
x = 11,263,578,926,656.04
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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.