Finding the Fourth Proportional to 714,758,703.26, 1,072,199,814.39 and 197,189,143.74
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Solution
The fourth proportional to 714,758,703.26, 1,072,199,814.39 and 197,189,143.74 is: 295,800,753.95
Step by Step Solution
- Step 1: Write the proportion equation
714,758,703.26 : 1,072,199,814.39 = 197,189,143.74 : x - Step 2: Convert to fraction form
714,758,703.26/1,072,199,814.39 = 197,189,143.74/x - Step 3: Cross multiply
714,758,703.26x = 1,072,199,814.39 × 197,189,143.74 - Step 4: Simplify right side
714,758,703.26x = 211,426,163,317,751,040 - Step 5: Solve for x
x = 211,426,163,317,751,040/714,758,703.26 - Step 6: Final answer
x = 295,800,753.95
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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.