Finding the Fourth Proportional to 1,559,775,942.92, 2,152,721,824.26 and 987,612,177.08
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Solution
The fourth proportional to 1,559,775,942.92, 2,152,721,824.26 and 987,612,177.08 is: 1,363,051,082.53
Step by Step Solution
- Step 1: Write the proportion equation
1,559,775,942.92 : 2,152,721,824.26 = 987,612,177.08 : x - Step 2: Convert to fraction form
1,559,775,942.92/2,152,721,824.26 = 987,612,177.08/x - Step 3: Cross multiply
1,559,775,942.92x = 2,152,721,824.26 × 987,612,177.08 - Step 4: Simplify right side
1,559,775,942.92x = 2,126,054,287,505,048,064 - Step 5: Solve for x
x = 2,126,054,287,505,048,064/1,559,775,942.92 - Step 6: Final answer
x = 1,363,051,082.53
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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.