Finding the Fourth Proportional to 3,315,710,691.78, 4,576,081,994.19 and 1,887,129,155.99
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Solution
The fourth proportional to 3,315,710,691.78, 4,576,081,994.19 and 1,887,129,155.99 is: 2,604,466,599.83
Step by Step Solution
- Step 1: Write the proportion equation
3,315,710,691.78 : 4,576,081,994.19 = 1,887,129,155.99 : x - Step 2: Convert to fraction form
3,315,710,691.78/4,576,081,994.19 = 1,887,129,155.99/x - Step 3: Cross multiply
3,315,710,691.78x = 4,576,081,994.19 × 1,887,129,155.99 - Step 4: Simplify right side
3,315,710,691.78x = 8,635,657,751,436,810,240 - Step 5: Solve for x
x = 8,635,657,751,436,810,240/3,315,710,691.78 - Step 6: Final answer
x = 2,604,466,599.83
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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.