Finding the Fourth Proportional to 1,259,903,857.04, 1,738,672,129.32 and 703,010,376.08
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Solution
The fourth proportional to 1,259,903,857.04, 1,738,672,129.32 and 703,010,376.08 is: 970,157,001.01
Step by Step Solution
- Step 1: Write the proportion equation
1,259,903,857.04 : 1,738,672,129.32 = 703,010,376.08 : x - Step 2: Convert to fraction form
1,259,903,857.04/1,738,672,129.32 = 703,010,376.08/x - Step 3: Cross multiply
1,259,903,857.04x = 1,738,672,129.32 × 703,010,376.08 - Step 4: Simplify right side
1,259,903,857.04x = 1,222,304,547,513,067,520 - Step 5: Solve for x
x = 1,222,304,547,513,067,520/1,259,903,857.04 - Step 6: Final answer
x = 970,157,001.01
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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.