Finding the Fourth Proportional to 7,186,752,495.20, 10,780,128,742.80 and 1,740,317,679.20
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Solution
The fourth proportional to 7,186,752,495.20, 10,780,128,742.80 and 1,740,317,679.20 is: 2,610,476,518.80
Step by Step Solution
- Step 1: Write the proportion equation
7,186,752,495.20 : 10,780,128,742.80 = 1,740,317,679.20 : x - Step 2: Convert to fraction form
7,186,752,495.20/10,780,128,742.80 = 1,740,317,679.20/x - Step 3: Cross multiply
7,186,752,495.20x = 10,780,128,742.80 × 1,740,317,679.20 - Step 4: Simplify right side
7,186,752,495.20x = 18,760,848,635,146,907,648 - Step 5: Solve for x
x = 18,760,848,635,146,907,648/7,186,752,495.20 - Step 6: Final answer
x = 2,610,476,518.80
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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.