Finding the Fourth Proportional to 8,535,673,262.15, 11,779,368,557.90 and 4,673,144,428.19
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Solution
The fourth proportional to 8,535,673,262.15, 11,779,368,557.90 and 4,673,144,428.19 is: 6,449,015,660.90
Step by Step Solution
- Step 1: Write the proportion equation
8,535,673,262.15 : 11,779,368,557.90 = 4,673,144,428.19 : x - Step 2: Convert to fraction form
8,535,673,262.15/11,779,368,557.90 = 4,673,144,428.19/x - Step 3: Cross multiply
8,535,673,262.15x = 11,779,368,557.90 × 4,673,144,428.19 - Step 4: Simplify right side
8,535,673,262.15x = 55,046,690,543,864,602,624 - Step 5: Solve for x
x = 55,046,690,543,864,602,624/8,535,673,262.15 - Step 6: Final answer
x = 6,449,015,660.90
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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.