Finding the Fourth Proportional to 1,165,104,047.20, 1,747,656,070.80 and 1,057,608,623.20
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Solution
The fourth proportional to 1,165,104,047.20, 1,747,656,070.80 and 1,057,608,623.20 is: 1,586,412,934.80
Step by Step Solution
- Step 1: Write the proportion equation
1,165,104,047.20 : 1,747,656,070.80 = 1,057,608,623.20 : x - Step 2: Convert to fraction form
1,165,104,047.20/1,747,656,070.80 = 1,057,608,623.20/x - Step 3: Cross multiply
1,165,104,047.20x = 1,747,656,070.80 × 1,057,608,623.20 - Step 4: Simplify right side
1,165,104,047.20x = 1,848,336,130,865,909,760 - Step 5: Solve for x
x = 1,848,336,130,865,909,760/1,165,104,047.20 - Step 6: Final answer
x = 1,586,412,934.80
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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.