Finding the Fourth Proportional to 416,233,507.08, 624,145,956.69 and 205,901,176.17
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Solution
The fourth proportional to 416,233,507.08, 624,145,956.69 and 205,901,176.17 is: 308,750,699.79
Step by Step Solution
- Step 1: Write the proportion equation
416,233,507.08 : 624,145,956.69 = 205,901,176.17 : x - Step 2: Convert to fraction form
416,233,507.08/624,145,956.69 = 205,901,176.17/x - Step 3: Cross multiply
416,233,507.08x = 624,145,956.69 × 205,901,176.17 - Step 4: Simplify right side
416,233,507.08x = 128,512,386,587,333,568 - Step 5: Solve for x
x = 128,512,386,587,333,568/416,233,507.08 - Step 6: Final answer
x = 308,750,699.79
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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.