Finding the Fourth Proportional to 66,384,862,507.36, 91,611,386,272.99 and 35,901,046,113.49
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Solution
The fourth proportional to 66,384,862,507.36, 91,611,386,272.99 and 35,901,046,113.49 is: 49,543,592,904.82
Step by Step Solution
- Step 1: Write the proportion equation
66,384,862,507.36 : 91,611,386,272.99 = 35,901,046,113.49 : x - Step 2: Convert to fraction form
66,384,862,507.36/91,611,386,272.99 = 35,901,046,113.49/x - Step 3: Cross multiply
66,384,862,507.36x = 91,611,386,272.99 × 35,901,046,113.49 - Step 4: Simplify right side
66,384,862,507.36x = 3,288,944,603,107,358,670,848 - Step 5: Solve for x
x = 3,288,944,603,107,358,670,848/66,384,862,507.36 - Step 6: Final answer
x = 49,543,592,904.82
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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.