Finding the Fourth Proportional to 1,656,930,602.93, 2,286,612,708.99 and 904,292,051.99
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Solution
The fourth proportional to 1,656,930,602.93, 2,286,612,708.99 and 904,292,051.99 is: 1,247,949,488.69
Step by Step Solution
- Step 1: Write the proportion equation
1,656,930,602.93 : 2,286,612,708.99 = 904,292,051.99 : x - Step 2: Convert to fraction form
1,656,930,602.93/2,286,612,708.99 = 904,292,051.99/x - Step 3: Cross multiply
1,656,930,602.93x = 2,286,612,708.99 × 904,292,051.99 - Step 4: Simplify right side
1,656,930,602.93x = 2,067,765,698,718,979,584 - Step 5: Solve for x
x = 2,067,765,698,718,979,584/1,656,930,602.93 - Step 6: Final answer
x = 1,247,949,488.69
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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.