Finding the Fourth Proportional to 2,258,845,696.65, 3,117,282,669.10 and 1,255,305,561.17
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Solution
The fourth proportional to 2,258,845,696.65, 3,117,282,669.10 and 1,255,305,561.17 is: 1,732,363,691.79
Step by Step Solution
- Step 1: Write the proportion equation
2,258,845,696.65 : 3,117,282,669.10 = 1,255,305,561.17 : x - Step 2: Convert to fraction form
2,258,845,696.65/3,117,282,669.10 = 1,255,305,561.17/x - Step 3: Cross multiply
2,258,845,696.65x = 3,117,282,669.10 × 1,255,305,561.17 - Step 4: Simplify right side
2,258,845,696.65x = 3,913,142,270,241,366,016 - Step 5: Solve for x
x = 3,913,142,270,241,366,016/2,258,845,696.65 - Step 6: Final answer
x = 1,732,363,691.79
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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.