Finding the Fourth Proportional to 1,148,744,270.10, 1,721,809,315.38 and 699,055,852.08
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Solution
The fourth proportional to 1,148,744,270.10, 1,721,809,315.38 and 699,055,852.08 is: 1,047,788,362.83
Step by Step Solution
- Step 1: Write the proportion equation
1,148,744,270.10 : 1,721,809,315.38 = 699,055,852.08 : x - Step 2: Convert to fraction form
1,148,744,270.10/1,721,809,315.38 = 699,055,852.08/x - Step 3: Cross multiply
1,148,744,270.10x = 1,721,809,315.38 × 699,055,852.08 - Step 4: Simplify right side
1,148,744,270.10x = 1,203,640,878,082,247,424 - Step 5: Solve for x
x = 1,203,640,878,082,247,424/1,148,744,270.10 - Step 6: Final answer
x = 1,047,788,362.83
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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.