Finding the Fourth Proportional to 1,619,192,435.68, 2,428,936,875.12 and 454,653,079.36
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Solution
The fourth proportional to 1,619,192,435.68, 2,428,936,875.12 and 454,653,079.36 is: 682,021,238.19
Step by Step Solution
- Step 1: Write the proportion equation
1,619,192,435.68 : 2,428,936,875.12 = 454,653,079.36 : x - Step 2: Convert to fraction form
1,619,192,435.68/2,428,936,875.12 = 454,653,079.36/x - Step 3: Cross multiply
1,619,192,435.68x = 2,428,936,875.12 × 454,653,079.36 - Step 4: Simplify right side
1,619,192,435.68x = 1,104,323,629,844,363,776 - Step 5: Solve for x
x = 1,104,323,629,844,363,776/1,619,192,435.68 - Step 6: Final answer
x = 682,021,238.19
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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.