Finding the Fourth Proportional to 37,103,676,912.08, 55,655,515,368.12 and 19,410,517,987.28
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Solution
The fourth proportional to 37,103,676,912.08, 55,655,515,368.12 and 19,410,517,987.28 is: 29,115,776,980.92
Step by Step Solution
- Step 1: Write the proportion equation
37,103,676,912.08 : 55,655,515,368.12 = 19,410,517,987.28 : x - Step 2: Convert to fraction form
37,103,676,912.08/55,655,515,368.12 = 19,410,517,987.28/x - Step 3: Cross multiply
37,103,676,912.08x = 55,655,515,368.12 × 19,410,517,987.28 - Step 4: Simplify right side
37,103,676,912.08x = 1,080,302,382,144,231,702,528 - Step 5: Solve for x
x = 1,080,302,382,144,231,702,528/37,103,676,912.08 - Step 6: Final answer
x = 29,115,776,980.92
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1.5x scale
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.