Finding the Fourth Proportional to 1,354,272,414.64, 1,867,006,741.92 and 908,315,470.96
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Solution
The fourth proportional to 1,354,272,414.64, 1,867,006,741.92 and 908,315,470.96 is: 1,252,208,263.08
Step by Step Solution
- Step 1: Write the proportion equation
1,354,272,414.64 : 1,867,006,741.92 = 908,315,470.96 : x - Step 2: Convert to fraction form
1,354,272,414.64/1,867,006,741.92 = 908,315,470.96/x - Step 3: Cross multiply
1,354,272,414.64x = 1,867,006,741.92 × 908,315,470.96 - Step 4: Simplify right side
1,354,272,414.64x = 1,695,831,108,072,560,128 - Step 5: Solve for x
x = 1,695,831,108,072,560,128/1,354,272,414.64 - Step 6: Final answer
x = 1,252,208,263.08
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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.