Finding the Fourth Proportional to 1,656,930,601.93, 2,286,612,707.61 and 904,292,050.99
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Solution
The fourth proportional to 1,656,930,601.93, 2,286,612,707.61 and 904,292,050.99 is: 1,247,949,487.31
Step by Step Solution
- Step 1: Write the proportion equation
1,656,930,601.93 : 2,286,612,707.61 = 904,292,050.99 : x - Step 2: Convert to fraction form
1,656,930,601.93/2,286,612,707.61 = 904,292,050.99/x - Step 3: Cross multiply
1,656,930,601.93x = 2,286,612,707.61 × 904,292,050.99 - Step 4: Simplify right side
1,656,930,601.93x = 2,067,765,695,184,444,160 - Step 5: Solve for x
x = 2,067,765,695,184,444,160/1,656,930,601.93 - Step 6: Final answer
x = 1,247,949,487.31
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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.