Finding the Fourth Proportional to 1,646,502,380.22, 2,272,177,251.39 and 903,994,304.70
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Solution
The fourth proportional to 1,646,502,380.22, 2,272,177,251.39 and 903,994,304.70 is: 1,247,514,318.35
Step by Step Solution
- Step 1: Write the proportion equation
1,646,502,380.22 : 2,272,177,251.39 = 903,994,304.70 : x - Step 2: Convert to fraction form
1,646,502,380.22/2,272,177,251.39 = 903,994,304.70/x - Step 3: Cross multiply
1,646,502,380.22x = 2,272,177,251.39 × 903,994,304.70 - Step 4: Simplify right side
1,646,502,380.22x = 2,054,035,294,525,460,224 - Step 5: Solve for x
x = 2,054,035,294,525,460,224/1,646,502,380.22 - Step 6: Final answer
x = 1,247,514,318.35
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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.