Finding the Fourth Proportional to 1,278,027,801,289.70, 1,763,733,805,705 and 707,744,841,481.68
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Solution
The fourth proportional to 1,278,027,801,289.70, 1,763,733,805,705 and 707,744,841,481.68 is: 976,718,582,706.02
Step by Step Solution
- Step 1: Write the proportion equation
1,278,027,801,289.70 : 1,763,733,805,705 = 707,744,841,481.68 : x - Step 2: Convert to fraction form
1,278,027,801,289.70/1,763,733,805,705 = 707,744,841,481.68/x - Step 3: Cross multiply
1,278,027,801,289.70x = 1,763,733,805,705 × 707,744,841,481.68 - Step 4: Simplify right side
1,278,027,801,289.70x = 1,248,273,502,734,565,389,631,488 - Step 5: Solve for x
x = 1,248,273,502,734,565,389,631,488/1,278,027,801,289.70 - Step 6: Final answer
x = 976,718,582,706.02
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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.