Finding the Fourth Proportional to 1,625,264,391.63, 2,242,876,339.58 and 882,708,454.38
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Solution
The fourth proportional to 1,625,264,391.63, 2,242,876,339.58 and 882,708,454.38 is: 1,218,143,901.55
Step by Step Solution
- Step 1: Write the proportion equation
1,625,264,391.63 : 2,242,876,339.58 = 882,708,454.38 : x - Step 2: Convert to fraction form
1,625,264,391.63/2,242,876,339.58 = 882,708,454.38/x - Step 3: Cross multiply
1,625,264,391.63x = 2,242,876,339.58 × 882,708,454.38 - Step 4: Simplify right side
1,625,264,391.63x = 1,979,805,907,071,720,192 - Step 5: Solve for x
x = 1,979,805,907,071,720,192/1,625,264,391.63 - Step 6: Final answer
x = 1,218,143,901.55
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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.