Finding the Fourth Proportional to 808,239,421,393.20, 1,115,294,104,881.80 and 483,013,965,135.56
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Solution
The fourth proportional to 808,239,421,393.20, 1,115,294,104,881.80 and 483,013,965,135.56 is: 666,513,676,062.33
Step by Step Solution
- Step 1: Write the proportion equation
808,239,421,393.20 : 1,115,294,104,881.80 = 483,013,965,135.56 : x - Step 2: Convert to fraction form
808,239,421,393.20/1,115,294,104,881.80 = 483,013,965,135.56/x - Step 3: Cross multiply
808,239,421,393.20x = 1,115,294,104,881.80 × 483,013,965,135.56 - Step 4: Simplify right side
808,239,421,393.20x = 538,702,627,891,273,382,494,208 - Step 5: Solve for x
x = 538,702,627,891,273,382,494,208/808,239,421,393.20 - Step 6: Final answer
x = 666,513,676,062.33
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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.