Finding the Fourth Proportional to 1,041,347,039.05, 1,437,100,346.28 and 571,465,175.29
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Solution
The fourth proportional to 1,041,347,039.05, 1,437,100,346.28 and 571,465,175.29 is: 788,644,678.96
Step by Step Solution
- Step 1: Write the proportion equation
1,041,347,039.05 : 1,437,100,346.28 = 571,465,175.29 : x - Step 2: Convert to fraction form
1,041,347,039.05/1,437,100,346.28 = 571,465,175.29/x - Step 3: Cross multiply
1,041,347,039.05x = 1,437,100,346.28 × 571,465,175.29 - Step 4: Simplify right side
1,041,347,039.05x = 821,252,801,294,798,720 - Step 5: Solve for x
x = 821,252,801,294,798,720/1,041,347,039.05 - Step 6: Final answer
x = 788,644,678.96
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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.