Finding the Fourth Proportional to 945,135,362.04, 1,304,252,609.50 and 521,739,929.54
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Solution
The fourth proportional to 945,135,362.04, 1,304,252,609.50 and 521,739,929.54 is: 719,982,228.91
Step by Step Solution
- Step 1: Write the proportion equation
945,135,362.04 : 1,304,252,609.50 = 521,739,929.54 : x - Step 2: Convert to fraction form
945,135,362.04/1,304,252,609.50 = 521,739,929.54/x - Step 3: Cross multiply
945,135,362.04x = 1,304,252,609.50 × 521,739,929.54 - Step 4: Simplify right side
945,135,362.04x = 680,480,664,582,891,136 - Step 5: Solve for x
x = 680,480,664,582,891,136/945,135,362.04 - Step 6: Final answer
x = 719,982,228.91
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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.