Finding the Fourth Proportional to 1,534,497,612.36, 2,117,602,722.11 and 856,307,452.54
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Solution
The fourth proportional to 1,534,497,612.36, 2,117,602,722.11 and 856,307,452.54 is: 1,181,702,061.87
Step by Step Solution
- Step 1: Write the proportion equation
1,534,497,612.36 : 2,117,602,722.11 = 856,307,452.54 : x - Step 2: Convert to fraction form
1,534,497,612.36/2,117,602,722.11 = 856,307,452.54/x - Step 3: Cross multiply
1,534,497,612.36x = 2,117,602,722.11 × 856,307,452.54 - Step 4: Simplify right side
1,534,497,612.36x = 1,813,318,992,452,679,680 - Step 5: Solve for x
x = 1,813,318,992,452,679,680/1,534,497,612.36 - Step 6: Final answer
x = 1,181,702,061.87
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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.