Finding the Fourth Proportional to 1,625,264,392.38, 2,242,876,340.61 and 882,708,455.13
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Solution
The fourth proportional to 1,625,264,392.38, 2,242,876,340.61 and 882,708,455.13 is: 1,218,143,902.59
Step by Step Solution
- Step 1: Write the proportion equation
1,625,264,392.38 : 2,242,876,340.61 = 882,708,455.13 : x - Step 2: Convert to fraction form
1,625,264,392.38/2,242,876,340.61 = 882,708,455.13/x - Step 3: Cross multiply
1,625,264,392.38x = 2,242,876,340.61 × 882,708,455.13 - Step 4: Simplify right side
1,625,264,392.38x = 1,979,805,909,667,480,832 - Step 5: Solve for x
x = 1,979,805,909,667,480,832/1,625,264,392.38 - Step 6: Final answer
x = 1,218,143,902.59
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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.