Finding the Fourth Proportional to 26,638,940,964.68, 39,945,335,989.08 and 13,177,671,785.88
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Solution
The fourth proportional to 26,638,940,964.68, 39,945,335,989.08 and 13,177,671,785.88 is: 19,760,039,550.32
Step by Step Solution
- Step 1: Write the proportion equation
26,638,940,964.68 : 39,945,335,989.08 = 13,177,671,785.88 : x - Step 2: Convert to fraction form
26,638,940,964.68/39,945,335,989.08 = 13,177,671,785.88/x - Step 3: Cross multiply
26,638,940,964.68x = 39,945,335,989.08 × 13,177,671,785.88 - Step 4: Simplify right side
26,638,940,964.68x = 526,386,527,040,796,491,776 - Step 5: Solve for x
x = 526,386,527,040,796,491,776/26,638,940,964.68 - Step 6: Final answer
x = 19,760,039,550.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.