Finding the Fourth Proportional to 1,818,760,949.16, 2,509,875,489.60 and 1,055,875,806.06
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Solution
The fourth proportional to 1,818,760,949.16, 2,509,875,489.60 and 1,055,875,806.06 is: 1,457,100,124.63
Step by Step Solution
- Step 1: Write the proportion equation
1,818,760,949.16 : 2,509,875,489.60 = 1,055,875,806.06 : x - Step 2: Convert to fraction form
1,818,760,949.16/2,509,875,489.60 = 1,055,875,806.06/x - Step 3: Cross multiply
1,818,760,949.16x = 2,509,875,489.60 × 1,055,875,806.06 - Step 4: Simplify right side
1,818,760,949.16x = 2,650,116,805,691,636,736 - Step 5: Solve for x
x = 2,650,116,805,691,636,736/1,818,760,949.16 - Step 6: Final answer
x = 1,457,100,124.63
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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.