Finding the Fourth Proportional to 1,327,664,967.92, 1,832,129,663.24 and 732,936,707.49
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Solution
The fourth proportional to 1,327,664,967.92, 1,832,129,663.24 and 732,936,707.49 is: 1,011,426,162.11
Step by Step Solution
- Step 1: Write the proportion equation
1,327,664,967.92 : 1,832,129,663.24 = 732,936,707.49 : x - Step 2: Convert to fraction form
1,327,664,967.92/1,832,129,663.24 = 732,936,707.49/x - Step 3: Cross multiply
1,327,664,967.92x = 1,832,129,663.24 × 732,936,707.49 - Step 4: Simplify right side
1,327,664,967.92x = 1,342,835,083,069,888,000 - Step 5: Solve for x
x = 1,342,835,083,069,888,000/1,327,664,967.92 - Step 6: Final answer
x = 1,011,426,162.11
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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.