Finding the Fourth Proportional to 1,324,720,809.25, 1,828,126,806.62 and 730,026,631.17
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Solution
The fourth proportional to 1,324,720,809.25, 1,828,126,806.62 and 730,026,631.17 is: 1,007,443,413.49
Step by Step Solution
- Step 1: Write the proportion equation
1,324,720,809.25 : 1,828,126,806.62 = 730,026,631.17 : x - Step 2: Convert to fraction form
1,324,720,809.25/1,828,126,806.62 = 730,026,631.17/x - Step 3: Cross multiply
1,324,720,809.25x = 1,828,126,806.62 × 730,026,631.17 - Step 4: Simplify right side
1,324,720,809.25x = 1,334,581,253,988,368,384 - Step 5: Solve for x
x = 1,334,581,253,988,368,384/1,324,720,809.25 - Step 6: Final answer
x = 1,007,443,413.49
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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.