Finding the Fourth Proportional to 1,081,369,560.63, 1,622,117,146.12 and 417,387,372.06
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Solution
The fourth proportional to 1,081,369,560.63, 1,622,117,146.12 and 417,387,372.06 is: 626,105,299.65
Step by Step Solution
- Step 1: Write the proportion equation
1,081,369,560.63 : 1,622,117,146.12 = 417,387,372.06 : x - Step 2: Convert to fraction form
1,081,369,560.63/1,622,117,146.12 = 417,387,372.06/x - Step 3: Cross multiply
1,081,369,560.63x = 1,622,117,146.12 × 417,387,372.06 - Step 4: Simplify right side
1,081,369,560.63x = 677,051,212,791,450,368 - Step 5: Solve for x
x = 677,051,212,791,450,368/1,081,369,560.63 - Step 6: Final answer
x = 626,105,299.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.