Finding the Fourth Proportional to 18,169,596,357.40, 27,254,394,536.10 and 7,128,472,619.80
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Solution
The fourth proportional to 18,169,596,357.40, 27,254,394,536.10 and 7,128,472,619.80 is: 10,692,708,929.70
Step by Step Solution
- Step 1: Write the proportion equation
18,169,596,357.40 : 27,254,394,536.10 = 7,128,472,619.80 : x - Step 2: Convert to fraction form
18,169,596,357.40/27,254,394,536.10 = 7,128,472,619.80/x - Step 3: Cross multiply
18,169,596,357.40x = 27,254,394,536.10 × 7,128,472,619.80 - Step 4: Simplify right side
18,169,596,357.40x = 194,282,205,219,815,555,072 - Step 5: Solve for x
x = 194,282,205,219,815,555,072/18,169,596,357.40 - Step 6: Final answer
x = 10,692,708,929.70
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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.