Finding the Fourth Proportional to 432,412,927.68, 649,654,148.36 and 277,270,694.39
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Solution
The fourth proportional to 432,412,927.68, 649,654,148.36 and 277,270,694.39 is: 416,569,545.68
Step by Step Solution
- Step 1: Write the proportion equation
432,412,927.68 : 649,654,148.36 = 277,270,694.39 : x - Step 2: Convert to fraction form
432,412,927.68/649,654,148.36 = 277,270,694.39/x - Step 3: Cross multiply
432,412,927.68x = 649,654,148.36 × 277,270,694.39 - Step 4: Simplify right side
432,412,927.68x = 180,130,056,830,659,424 - Step 5: Solve for x
x = 180,130,056,830,659,424/432,412,927.68 - Step 6: Final answer
x = 416,569,545.68
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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.