Finding the Fourth Proportional to 1,370,513,701,751, 1,891,354,265,961.20 and 753,238,299,433.11
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Solution
The fourth proportional to 1,370,513,701,751, 1,891,354,265,961.20 and 753,238,299,433.11 is: 1,039,493,781,855.68
Step by Step Solution
- Step 1: Write the proportion equation
1,370,513,701,751 : 1,891,354,265,961.20 = 753,238,299,433.11 : x - Step 2: Convert to fraction form
1,370,513,701,751/1,891,354,265,961.20 = 753,238,299,433.11/x - Step 3: Cross multiply
1,370,513,701,751x = 1,891,354,265,961.20 × 753,238,299,433.11 - Step 4: Simplify right side
1,370,513,701,751x = 1,424,640,470,918,172,329,902,080 - Step 5: Solve for x
x = 1,424,640,470,918,172,329,902,080/1,370,513,701,751 - Step 6: Final answer
x = 1,039,493,781,855.68
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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.