Finding the Fourth Proportional to 409,109,642.92, 564,571,285.64 and 220,937,918.68
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Solution
The fourth proportional to 409,109,642.92, 564,571,285.64 and 220,937,918.68 is: 304,894,316.12
Step by Step Solution
- Step 1: Write the proportion equation
409,109,642.92 : 564,571,285.64 = 220,937,918.68 : x - Step 2: Convert to fraction form
409,109,642.92/564,571,285.64 = 220,937,918.68/x - Step 3: Cross multiply
409,109,642.92x = 564,571,285.64 × 220,937,918.68 - Step 4: Simplify right side
409,109,642.92x = 124,735,204,795,793,376 - Step 5: Solve for x
x = 124,735,204,795,793,376/409,109,642.92 - Step 6: Final answer
x = 304,894,316.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.