Finding the Fourth Proportional to 5,589,972,117.60, 8,384,958,176.40 and 1,660,284,787.20
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Solution
The fourth proportional to 5,589,972,117.60, 8,384,958,176.40 and 1,660,284,787.20 is: 2,490,427,180.80
Step by Step Solution
- Step 1: Write the proportion equation
5,589,972,117.60 : 8,384,958,176.40 = 1,660,284,787.20 : x - Step 2: Convert to fraction form
5,589,972,117.60/8,384,958,176.40 = 1,660,284,787.20/x - Step 3: Cross multiply
5,589,972,117.60x = 8,384,958,176.40 × 1,660,284,787.20 - Step 4: Simplify right side
5,589,972,117.60x = 13,921,418,501,585,174,528 - Step 5: Solve for x
x = 13,921,418,501,585,174,528/5,589,972,117.60 - Step 6: Final answer
x = 2,490,427,180.80
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1.5x scale
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.