Finding the Fourth Proportional to 908,821,720.60, 1,363,232,580.90 and 796,581,381.40
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Solution
The fourth proportional to 908,821,720.60, 1,363,232,580.90 and 796,581,381.40 is: 1,194,872,072.10
Step by Step Solution
- Step 1: Write the proportion equation
908,821,720.60 : 1,363,232,580.90 = 796,581,381.40 : x - Step 2: Convert to fraction form
908,821,720.60/1,363,232,580.90 = 796,581,381.40/x - Step 3: Cross multiply
908,821,720.60x = 1,363,232,580.90 × 796,581,381.40 - Step 4: Simplify right side
908,821,720.60x = 1,085,925,692,462,809,344 - Step 5: Solve for x
x = 1,085,925,692,462,809,344/908,821,720.60 - Step 6: Final answer
x = 1,194,872,072.10
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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.