Finding the Fourth Proportional to 201,358,602.84, 277,717,433.16 and 130,816,947
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Solution
The fourth proportional to 201,358,602.84, 277,717,433.16 and 130,816,947 is: 180,425,103.38
Step by Step Solution
- Step 1: Write the proportion equation
201,358,602.84 : 277,717,433.16 = 130,816,947 : x - Step 2: Convert to fraction form
201,358,602.84/277,717,433.16 = 130,816,947/x - Step 3: Cross multiply
201,358,602.84x = 277,717,433.16 × 130,816,947 - Step 4: Simplify right side
201,358,602.84x = 36,330,146,734,667,768 - Step 5: Solve for x
x = 36,330,146,734,667,768/201,358,602.84 - Step 6: Final answer
x = 180,425,103.38
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1.5x scale
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.