Finding the Fourth Proportional to 7,266,754,186.88, 10,028,125,171.20 and 3,925,253,945.48
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Solution
The fourth proportional to 7,266,754,186.88, 10,028,125,171.20 and 3,925,253,945.48 is: 5,416,852,817.88
Step by Step Solution
- Step 1: Write the proportion equation
7,266,754,186.88 : 10,028,125,171.20 = 3,925,253,945.48 : x - Step 2: Convert to fraction form
7,266,754,186.88/10,028,125,171.20 = 3,925,253,945.48/x - Step 3: Cross multiply
7,266,754,186.88x = 10,028,125,171.20 × 3,925,253,945.48 - Step 4: Simplify right side
7,266,754,186.88x = 39,362,937,894,020,104,192 - Step 5: Solve for x
x = 39,362,937,894,020,104,192/7,266,754,186.88 - Step 6: Final answer
x = 5,416,852,817.88
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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.