Finding the Fourth Proportional to 848,751,949.30, 1,273,127,923.95 and 808,575,009.70
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Solution
The fourth proportional to 848,751,949.30, 1,273,127,923.95 and 808,575,009.70 is: 1,212,862,514.55
Step by Step Solution
- Step 1: Write the proportion equation
848,751,949.30 : 1,273,127,923.95 = 808,575,009.70 : x - Step 2: Convert to fraction form
848,751,949.30/1,273,127,923.95 = 808,575,009.70/x - Step 3: Cross multiply
848,751,949.30x = 1,273,127,923.95 × 808,575,009.70 - Step 4: Simplify right side
848,751,949.30x = 1,029,419,423,457,212,160 - Step 5: Solve for x
x = 1,029,419,423,457,212,160/848,751,949.30 - Step 6: Final answer
x = 1,212,862,514.55
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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.