Finding the Fourth Proportional to 2,018,553,804.42, 3,027,810,501.99 and 638,368,547.46
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Solution
The fourth proportional to 2,018,553,804.42, 3,027,810,501.99 and 638,368,547.46 is: 957,546,431.46
Step by Step Solution
- Step 1: Write the proportion equation
2,018,553,804.42 : 3,027,810,501.99 = 638,368,547.46 : x - Step 2: Convert to fraction form
2,018,553,804.42/3,027,810,501.99 = 638,368,547.46/x - Step 3: Cross multiply
2,018,553,804.42x = 3,027,810,501.99 × 638,368,547.46 - Step 4: Simplify right side
2,018,553,804.42x = 1,932,858,992,139,489,792 - Step 5: Solve for x
x = 1,932,858,992,139,489,792/2,018,553,804.42 - Step 6: Final answer
x = 957,546,431.46
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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.