Finding the Fourth Proportional to 1,915,575,429,364.20, 2,873,370,598,716.80 and 463,435,760,268.70
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Solution
The fourth proportional to 1,915,575,429,364.20, 2,873,370,598,716.80 and 463,435,760,268.70 is: 695,155,443,913.81
Step by Step Solution
- Step 1: Write the proportion equation
1,915,575,429,364.20 : 2,873,370,598,716.80 = 463,435,760,268.70 : x - Step 2: Convert to fraction form
1,915,575,429,364.20/2,873,370,598,716.80 = 463,435,760,268.70/x - Step 3: Cross multiply
1,915,575,429,364.20x = 2,873,370,598,716.80 × 463,435,760,268.70 - Step 4: Simplify right side
1,915,575,429,364.20x = 1,331,622,687,950,049,726,431,232 - Step 5: Solve for x
x = 1,331,622,687,950,049,726,431,232/1,915,575,429,364.20 - Step 6: Final answer
x = 695,155,443,913.81
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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.