Finding the Fourth Proportional to 1,324,720,806.25, 1,828,126,802.48 and 730,026,628.17
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Solution
The fourth proportional to 1,324,720,806.25, 1,828,126,802.48 and 730,026,628.17 is: 1,007,443,409.35
Step by Step Solution
- Step 1: Write the proportion equation
1,324,720,806.25 : 1,828,126,802.48 = 730,026,628.17 : x - Step 2: Convert to fraction form
1,324,720,806.25/1,828,126,802.48 = 730,026,628.17/x - Step 3: Cross multiply
1,324,720,806.25x = 1,828,126,802.48 × 730,026,628.17 - Step 4: Simplify right side
1,324,720,806.25x = 1,334,581,245,481,677,824 - Step 5: Solve for x
x = 1,334,581,245,481,677,824/1,324,720,806.25 - Step 6: Final answer
x = 1,007,443,409.35
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1.5x scale
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.