Finding the Fourth Proportional to 7,788,424,522.44, 10,748,035,288.76 and 4,220,128,668.64
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Solution
The fourth proportional to 7,788,424,522.44, 10,748,035,288.76 and 4,220,128,668.64 is: 5,823,782,681.97
Step by Step Solution
- Step 1: Write the proportion equation
7,788,424,522.44 : 10,748,035,288.76 = 4,220,128,668.64 : x - Step 2: Convert to fraction form
7,788,424,522.44/10,748,035,288.76 = 4,220,128,668.64/x - Step 3: Cross multiply
7,788,424,522.44x = 10,748,035,288.76 × 4,220,128,668.64 - Step 4: Simplify right side
7,788,424,522.44x = 45,358,091,853,650,477,056 - Step 5: Solve for x
x = 45,358,091,853,650,477,056/7,788,424,522.44 - Step 6: Final answer
x = 5,823,782,681.97
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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.