Finding the Fourth Proportional to 865,204,713.68, 1,297,807,085.56 and 210,151,325.97
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Solution
The fourth proportional to 865,204,713.68, 1,297,807,085.56 and 210,151,325.97 is: 315,226,992.61
Step by Step Solution
- Step 1: Write the proportion equation
865,204,713.68 : 1,297,807,085.56 = 210,151,325.97 : x - Step 2: Convert to fraction form
865,204,713.68/1,297,807,085.56 = 210,151,325.97/x - Step 3: Cross multiply
865,204,713.68x = 1,297,807,085.56 × 210,151,325.97 - Step 4: Simplify right side
865,204,713.68x = 272,735,879,883,695,232 - Step 5: Solve for x
x = 272,735,879,883,695,232/865,204,713.68 - Step 6: Final answer
x = 315,226,992.61
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1.5x scale
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.