Finding the Fourth Proportional to 877,771,737.10, 1,211,278,460.02 and 501,354,405.96
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Solution
The fourth proportional to 877,771,737.10, 1,211,278,460.02 and 501,354,405.96 is: 691,842,499.72
Step by Step Solution
- Step 1: Write the proportion equation
877,771,737.10 : 1,211,278,460.02 = 501,354,405.96 : x - Step 2: Convert to fraction form
877,771,737.10/1,211,278,460.02 = 501,354,405.96/x - Step 3: Cross multiply
877,771,737.10x = 1,211,278,460.02 × 501,354,405.96 - Step 4: Simplify right side
877,771,737.10x = 607,279,792,775,470,720 - Step 5: Solve for x
x = 607,279,792,775,470,720/877,771,737.10 - Step 6: Final answer
x = 691,842,499.72
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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.