Finding the Fourth Proportional to 49,902,693,647.54, 74,853,386,634.79 and 12,129,159,257.07
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Solution
The fourth proportional to 49,902,693,647.54, 74,853,386,634.79 and 12,129,159,257.07 is: 18,193,579,966.58
Step by Step Solution
- Step 1: Write the proportion equation
49,902,693,647.54 : 74,853,386,634.79 = 12,129,159,257.07 : x - Step 2: Convert to fraction form
49,902,693,647.54/74,853,386,634.79 = 12,129,159,257.07/x - Step 3: Cross multiply
49,902,693,647.54x = 74,853,386,634.79 × 12,129,159,257.07 - Step 4: Simplify right side
49,902,693,647.54x = 907,908,647,424,402,784,256 - Step 5: Solve for x
x = 907,908,647,424,402,784,256/49,902,693,647.54 - Step 6: Final answer
x = 18,193,579,966.58
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1.5x scale
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.