Finding the Fourth Proportional to 476,654,774.49, 714,968,944.90 and 126,903,843.09
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Solution
The fourth proportional to 476,654,774.49, 714,968,944.90 and 126,903,843.09 is: 190,352,245.80
Step by Step Solution
- Step 1: Write the proportion equation
476,654,774.49 : 714,968,944.90 = 126,903,843.09 : x - Step 2: Convert to fraction form
476,654,774.49/714,968,944.90 = 126,903,843.09/x - Step 3: Cross multiply
476,654,774.49x = 714,968,944.90 × 126,903,843.09 - Step 4: Simplify right side
476,654,774.49x = 90,732,306,797,812,448 - Step 5: Solve for x
x = 90,732,306,797,812,448/476,654,774.49 - Step 6: Final answer
x = 190,352,245.80
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1.5x scale
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.