Finding the Fourth Proportional to 2,151,413,659,627.30, 3,227,686,512,963.60 and 773,156,908,780.65
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Solution
The fourth proportional to 2,151,413,659,627.30, 3,227,686,512,963.60 and 773,156,908,780.65 is: 1,159,938,775,934.07
Step by Step Solution
- Step 1: Write the proportion equation
2,151,413,659,627.30 : 3,227,686,512,963.60 = 773,156,908,780.65 : x - Step 2: Convert to fraction form
2,151,413,659,627.30/3,227,686,512,963.60 = 773,156,908,780.65/x - Step 3: Cross multiply
2,151,413,659,627.30x = 3,227,686,512,963.60 × 773,156,908,780.65 - Step 4: Simplify right side
2,151,413,659,627.30x = 2,495,508,126,875,932,315,090,944 - Step 5: Solve for x
x = 2,495,508,126,875,932,315,090,944/2,151,413,659,627.30 - Step 6: Final answer
x = 1,159,938,775,934.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.