Finding the Fourth Proportional to 1,275,482,031.36, 1,760,202,508.80 and 746,796,552.96
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Solution
The fourth proportional to 1,275,482,031.36, 1,760,202,508.80 and 746,796,552.96 is: 1,030,601,085.52
Step by Step Solution
- Step 1: Write the proportion equation
1,275,482,031.36 : 1,760,202,508.80 = 746,796,552.96 : x - Step 2: Convert to fraction form
1,275,482,031.36/1,760,202,508.80 = 746,796,552.96/x - Step 3: Cross multiply
1,275,482,031.36x = 1,760,202,508.80 × 746,796,552.96 - Step 4: Simplify right side
1,275,482,031.36x = 1,314,513,166,083,384,064 - Step 5: Solve for x
x = 1,314,513,166,083,384,064/1,275,482,031.36 - Step 6: Final answer
x = 1,030,601,085.52
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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.