Finding the Fourth Proportional to 6,501,515,848.62, 8,971,939,263.14 and 3,825,469,358.70
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Solution
The fourth proportional to 6,501,515,848.62, 8,971,939,263.14 and 3,825,469,358.70 is: 5,279,057,921.01
Step by Step Solution
- Step 1: Write the proportion equation
6,501,515,848.62 : 8,971,939,263.14 = 3,825,469,358.70 : x - Step 2: Convert to fraction form
6,501,515,848.62/8,971,939,263.14 = 3,825,469,358.70/x - Step 3: Cross multiply
6,501,515,848.62x = 8,971,939,263.14 × 3,825,469,358.70 - Step 4: Simplify right side
6,501,515,848.62x = 34,321,878,739,259,523,072 - Step 5: Solve for x
x = 34,321,878,739,259,523,072/6,501,515,848.62 - Step 6: Final answer
x = 5,279,057,921.01
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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.