Finding the Fourth Proportional to 1,951,734,430.08, 2,693,393,527.68 and 1,071,668,134.08
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Solution
The fourth proportional to 1,951,734,430.08, 2,693,393,527.68 and 1,071,668,134.08 is: 1,478,902,032.81
Step by Step Solution
- Step 1: Write the proportion equation
1,951,734,430.08 : 2,693,393,527.68 = 1,071,668,134.08 : x - Step 2: Convert to fraction form
1,951,734,430.08/2,693,393,527.68 = 1,071,668,134.08/x - Step 3: Cross multiply
1,951,734,430.08x = 2,693,393,527.68 × 1,071,668,134.08 - Step 4: Simplify right side
1,951,734,430.08x = 2,886,424,016,151,974,400 - Step 5: Solve for x
x = 2,886,424,016,151,974,400/1,951,734,430.08 - Step 6: Final answer
x = 1,478,902,032.81
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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.