Finding the Fourth Proportional to 2,124,665,019.05, 3,186,997,528.58 and 744,300,165.65
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Solution
The fourth proportional to 2,124,665,019.05, 3,186,997,528.58 and 744,300,165.65 is: 1,116,450,248.48
Step by Step Solution
- Step 1: Write the proportion equation
2,124,665,019.05 : 3,186,997,528.58 = 744,300,165.65 : x - Step 2: Convert to fraction form
2,124,665,019.05/3,186,997,528.58 = 744,300,165.65/x - Step 3: Cross multiply
2,124,665,019.05x = 3,186,997,528.58 × 744,300,165.65 - Step 4: Simplify right side
2,124,665,019.05x = 2,372,082,788,444,512,768 - Step 5: Solve for x
x = 2,372,082,788,444,512,768/2,124,665,019.05 - Step 6: Final answer
x = 1,116,450,248.48
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1.5x scale
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.