Finding the Fourth Proportional to 801,827,288.96, 1,202,765,816.64 and 381,556,572.80
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Solution
The fourth proportional to 801,827,288.96, 1,202,765,816.64 and 381,556,572.80 is: 572,346,700.09
Step by Step Solution
- Step 1: Write the proportion equation
801,827,288.96 : 1,202,765,816.64 = 381,556,572.80 : x - Step 2: Convert to fraction form
801,827,288.96/1,202,765,816.64 = 381,556,572.80/x - Step 3: Cross multiply
801,827,288.96x = 1,202,765,816.64 × 381,556,572.80 - Step 4: Simplify right side
801,827,288.96x = 458,923,202,878,151,680 - Step 5: Solve for x
x = 458,923,202,878,151,680/801,827,288.96 - Step 6: Final answer
x = 572,346,700.09
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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.