Finding the Fourth Proportional to 1,512,377,816.40, 2,268,566,724.60 and 591,948,248.40
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Solution
The fourth proportional to 1,512,377,816.40, 2,268,566,724.60 and 591,948,248.40 is: 887,922,372.60
Step by Step Solution
- Step 1: Write the proportion equation
1,512,377,816.40 : 2,268,566,724.60 = 591,948,248.40 : x - Step 2: Convert to fraction form
1,512,377,816.40/2,268,566,724.60 = 591,948,248.40/x - Step 3: Cross multiply
1,512,377,816.40x = 2,268,566,724.60 × 591,948,248.40 - Step 4: Simplify right side
1,512,377,816.40x = 1,342,874,099,005,495,040 - Step 5: Solve for x
x = 1,342,874,099,005,495,040/1,512,377,816.40 - Step 6: Final answer
x = 887,922,372.60
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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.