Finding the Fourth Proportional to 1,722,728,025.93, 2,377,374,360.84 and 980,172,088.68
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Solution
The fourth proportional to 1,722,728,025.93, 2,377,374,360.84 and 980,172,088.68 is: 1,352,642,992.84
Step by Step Solution
- Step 1: Write the proportion equation
1,722,728,025.93 : 2,377,374,360.84 = 980,172,088.68 : x - Step 2: Convert to fraction form
1,722,728,025.93/2,377,374,360.84 = 980,172,088.68/x - Step 3: Cross multiply
1,722,728,025.93x = 2,377,374,360.84 × 980,172,088.68 - Step 4: Simplify right side
1,722,728,025.93x = 2,330,235,992,838,822,912 - Step 5: Solve for x
x = 2,330,235,992,838,822,912/1,722,728,025.93 - Step 6: Final answer
x = 1,352,642,992.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.