Finding the Fourth Proportional to 499,243,825.25, 748,967,874.42 and 171,676,797.07
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Solution
The fourth proportional to 499,243,825.25, 748,967,874.42 and 171,676,797.07 is: 257,550,317.66
Step by Step Solution
- Step 1: Write the proportion equation
499,243,825.25 : 748,967,874.42 = 171,676,797.07 : x - Step 2: Convert to fraction form
499,243,825.25/748,967,874.42 = 171,676,797.07/x - Step 3: Cross multiply
499,243,825.25x = 748,967,874.42 × 171,676,797.07 - Step 4: Simplify right side
499,243,825.25x = 128,580,405,785,006,736 - Step 5: Solve for x
x = 128,580,405,785,006,736/499,243,825.25 - Step 6: Final answer
x = 257,550,317.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.