Finding the Fourth Proportional to 617,701,383.27, 926,551,292.45 and 157,639,562.91
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Solution
The fourth proportional to 617,701,383.27, 926,551,292.45 and 157,639,562.91 is: 236,459,144.68
Step by Step Solution
- Step 1: Write the proportion equation
617,701,383.27 : 926,551,292.45 = 157,639,562.91 : x - Step 2: Convert to fraction form
617,701,383.27/926,551,292.45 = 157,639,562.91/x - Step 3: Cross multiply
617,701,383.27x = 926,551,292.45 × 157,639,562.91 - Step 4: Simplify right side
617,701,383.27x = 146,061,140,754,725,376 - Step 5: Solve for x
x = 146,061,140,754,725,376/617,701,383.27 - Step 6: Final answer
x = 236,459,144.68
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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.