Finding the Fourth Proportional to 6,788,254,006.45, 9,368,606,049.84 and 4,111,955,659.99
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Solution
The fourth proportional to 6,788,254,006.45, 9,368,606,049.84 and 4,111,955,659.99 is: 5,674,992,809.08
Step by Step Solution
- Step 1: Write the proportion equation
6,788,254,006.45 : 9,368,606,049.84 = 4,111,955,659.99 : x - Step 2: Convert to fraction form
6,788,254,006.45/9,368,606,049.84 = 4,111,955,659.99/x - Step 3: Cross multiply
6,788,254,006.45x = 9,368,606,049.84 × 4,111,955,659.99 - Step 4: Simplify right side
6,788,254,006.45x = 38,523,292,672,788,742,144 - Step 5: Solve for x
x = 38,523,292,672,788,742,144/6,788,254,006.45 - Step 6: Final answer
x = 5,674,992,809.08
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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.