Finding the Fourth Proportional to 598,351,528.42, 896,813,226.15 and 278,487,678.88
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Solution
The fourth proportional to 598,351,528.42, 896,813,226.15 and 278,487,678.88 is: 417,399,174.03
Step by Step Solution
- Step 1: Write the proportion equation
598,351,528.42 : 896,813,226.15 = 278,487,678.88 : x - Step 2: Convert to fraction form
598,351,528.42/896,813,226.15 = 278,487,678.88/x - Step 3: Cross multiply
598,351,528.42x = 896,813,226.15 × 278,487,678.88 - Step 4: Simplify right side
598,351,528.42x = 249,751,433,739,398,016 - Step 5: Solve for x
x = 249,751,433,739,398,016/598,351,528.42 - Step 6: Final answer
x = 417,399,174.03
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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.