Finding the Fourth Proportional to 1,657,645,370.46, 2,287,557,917.63 and 915,095,534.94
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Solution
The fourth proportional to 1,657,645,370.46, 2,287,557,917.63 and 915,095,534.94 is: 1,262,835,871.68
Step by Step Solution
- Step 1: Write the proportion equation
1,657,645,370.46 : 2,287,557,917.63 = 915,095,534.94 : x - Step 2: Convert to fraction form
1,657,645,370.46/2,287,557,917.63 = 915,095,534.94/x - Step 3: Cross multiply
1,657,645,370.46x = 2,287,557,917.63 × 915,095,534.94 - Step 4: Simplify right side
1,657,645,370.46x = 2,093,334,036,339,857,664 - Step 5: Solve for x
x = 2,093,334,036,339,857,664/1,657,645,370.46 - Step 6: Final answer
x = 1,262,835,871.68
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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.