Finding the Fourth Proportional to 7,103,666,790.58, 9,802,389,595.05 and 4,245,239,928.94
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Solution
The fourth proportional to 7,103,666,790.58, 9,802,389,595.05 and 4,245,239,928.94 is: 5,858,030,357.38
Step by Step Solution
- Step 1: Write the proportion equation
7,103,666,790.58 : 9,802,389,595.05 = 4,245,239,928.94 : x - Step 2: Convert to fraction form
7,103,666,790.58/9,802,389,595.05 = 4,245,239,928.94/x - Step 3: Cross multiply
7,103,666,790.58x = 9,802,389,595.05 × 4,245,239,928.94 - Step 4: Simplify right side
7,103,666,790.58x = 41,613,495,707,932,254,208 - Step 5: Solve for x
x = 41,613,495,707,932,254,208/7,103,666,790.58 - Step 6: Final answer
x = 5,858,030,357.38
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1.5x scale
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.