Finding the Fourth Proportional to 855,493,703.14, 1,180,550,764.38 and 484,207,762.90
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Solution
The fourth proportional to 855,493,703.14, 1,180,550,764.38 and 484,207,762.90 is: 668,189,423.85
Step by Step Solution
- Step 1: Write the proportion equation
855,493,703.14 : 1,180,550,764.38 = 484,207,762.90 : x - Step 2: Convert to fraction form
855,493,703.14/1,180,550,764.38 = 484,207,762.90/x - Step 3: Cross multiply
855,493,703.14x = 1,180,550,764.38 × 484,207,762.90 - Step 4: Simplify right side
855,493,703.14x = 571,631,844,610,324,864 - Step 5: Solve for x
x = 571,631,844,610,324,864/855,493,703.14 - Step 6: Final answer
x = 668,189,423.85
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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.