Finding the Fourth Proportional to 915,902,788,945.92, 1,374,481,740,679.70 and 319,662,656,232.96
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Solution
The fourth proportional to 915,902,788,945.92, 1,374,481,740,679.70 and 319,662,656,232.96 is: 479,713,010,455.00
Step by Step Solution
- Step 1: Write the proportion equation
915,902,788,945.92 : 1,374,481,740,679.70 = 319,662,656,232.96 : x - Step 2: Convert to fraction form
915,902,788,945.92/1,374,481,740,679.70 = 319,662,656,232.96/x - Step 3: Cross multiply
915,902,788,945.92x = 1,374,481,740,679.70 × 319,662,656,232.96 - Step 4: Simplify right side
915,902,788,945.92x = 439,370,484,169,375,421,038,592 - Step 5: Solve for x
x = 439,370,484,169,375,421,038,592/915,902,788,945.92 - Step 6: Final answer
x = 479,713,010,455.00
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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.