Finding the Fourth Proportional to 2,180,122,376.40, 3,266,286,330.60 and 1,326,746,228.40
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Solution
The fourth proportional to 2,180,122,376.40, 3,266,286,330.60 and 1,326,746,228.40 is: 1,987,747,622.29
Step by Step Solution
- Step 1: Write the proportion equation
2,180,122,376.40 : 3,266,286,330.60 = 1,326,746,228.40 : x - Step 2: Convert to fraction form
2,180,122,376.40/3,266,286,330.60 = 1,326,746,228.40/x - Step 3: Cross multiply
2,180,122,376.40x = 3,266,286,330.60 × 1,326,746,228.40 - Step 4: Simplify right side
2,180,122,376.40x = 4,333,533,069,998,025,728 - Step 5: Solve for x
x = 4,333,533,069,998,025,728/2,180,122,376.40 - Step 6: Final answer
x = 1,987,747,622.29
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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.