Finding the Fourth Proportional to 240,386,974.63, 358,559,377.49 and 218,318,804.07
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Solution
The fourth proportional to 240,386,974.63, 358,559,377.49 and 218,318,804.07 is: 325,642,662.64
Step by Step Solution
- Step 1: Write the proportion equation
240,386,974.63 : 358,559,377.49 = 218,318,804.07 : x - Step 2: Convert to fraction form
240,386,974.63/358,559,377.49 = 218,318,804.07/x - Step 3: Cross multiply
240,386,974.63x = 358,559,377.49 × 218,318,804.07 - Step 4: Simplify right side
240,386,974.63x = 78,280,254,480,901,680 - Step 5: Solve for x
x = 78,280,254,480,901,680/240,386,974.63 - Step 6: Final answer
x = 325,642,662.64
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.