Finding the Fourth Proportional to 913,937,217, 1,370,889,881.19 and 223,850,449.68
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Solution
The fourth proportional to 913,937,217, 1,370,889,881.19 and 223,850,449.68 is: 335,771,769.28
Step by Step Solution
- Step 1: Write the proportion equation
913,937,217 : 1,370,889,881.19 = 223,850,449.68 : x - Step 2: Convert to fraction form
913,937,217/1,370,889,881.19 = 223,850,449.68/x - Step 3: Cross multiply
913,937,217x = 1,370,889,881.19 × 223,850,449.68 - Step 4: Simplify right side
913,937,217x = 306,874,316,366,143,296 - Step 5: Solve for x
x = 306,874,316,366,143,296/913,937,217 - Step 6: Final answer
x = 335,771,769.28
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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.