Finding the Fourth Proportional to 736,936,952.78, 1,105,787,998.65 and 300,557,786.06
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Solution
The fourth proportional to 736,936,952.78, 1,105,787,998.65 and 300,557,786.06 is: 450,992,709.04
Step by Step Solution
- Step 1: Write the proportion equation
736,936,952.78 : 1,105,787,998.65 = 300,557,786.06 : x - Step 2: Convert to fraction form
736,936,952.78/1,105,787,998.65 = 300,557,786.06/x - Step 3: Cross multiply
736,936,952.78x = 1,105,787,998.65 × 300,557,786.06 - Step 4: Simplify right side
736,936,952.78x = 332,353,192,725,962,304 - Step 5: Solve for x
x = 332,353,192,725,962,304/736,936,952.78 - Step 6: Final answer
x = 450,992,709.04
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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.