Finding the Fourth Proportional to 5,224,899,286.08, 7,210,361,404.80 and 2,878,055,830.08
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Solution
The fourth proportional to 5,224,899,286.08, 7,210,361,404.80 and 2,878,055,830.08 is: 3,971,717,260.34
Step by Step Solution
- Step 1: Write the proportion equation
5,224,899,286.08 : 7,210,361,404.80 = 2,878,055,830.08 : x - Step 2: Convert to fraction form
5,224,899,286.08/7,210,361,404.80 = 2,878,055,830.08/x - Step 3: Cross multiply
5,224,899,286.08x = 7,210,361,404.80 × 2,878,055,830.08 - Step 4: Simplify right side
5,224,899,286.08x = 20,751,822,678,068,457,472 - Step 5: Solve for x
x = 20,751,822,678,068,457,472/5,224,899,286.08 - Step 6: Final answer
x = 3,971,717,260.34
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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.