Finding the Fourth Proportional to 1,855,057,924.08, 2,559,951,243.54 and 1,019,664,543.96
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Solution
The fourth proportional to 1,855,057,924.08, 2,559,951,243.54 and 1,019,664,543.96 is: 1,407,121,299.78
Step by Step Solution
- Step 1: Write the proportion equation
1,855,057,924.08 : 2,559,951,243.54 = 1,019,664,543.96 : x - Step 2: Convert to fraction form
1,855,057,924.08/2,559,951,243.54 = 1,019,664,543.96/x - Step 3: Cross multiply
1,855,057,924.08x = 2,559,951,243.54 × 1,019,664,543.96 - Step 4: Simplify right side
1,855,057,924.08x = 2,610,291,517,304,049,152 - Step 5: Solve for x
x = 2,610,291,517,304,049,152/1,855,057,924.08 - Step 6: Final answer
x = 1,407,121,299.78
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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.