Finding the Fourth Proportional to 608,882,248.30, 840,257,502.42 and 330,423,771.84
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Solution
The fourth proportional to 608,882,248.30, 840,257,502.42 and 330,423,771.84 is: 455,984,805.01
Step by Step Solution
- Step 1: Write the proportion equation
608,882,248.30 : 840,257,502.42 = 330,423,771.84 : x - Step 2: Convert to fraction form
608,882,248.30/840,257,502.42 = 330,423,771.84/x - Step 3: Cross multiply
608,882,248.30x = 840,257,502.42 × 330,423,771.84 - Step 4: Simplify right side
608,882,248.30x = 277,641,053,266,474,304 - Step 5: Solve for x
x = 277,641,053,266,474,304/608,882,248.30 - Step 6: Final answer
x = 455,984,805.01
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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.