Finding the Fourth Proportional to 462,440,916.68, 638,167,774.91 and 250,747,362.66
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Solution
The fourth proportional to 462,440,916.68, 638,167,774.91 and 250,747,362.66 is: 346,030,986.28
Step by Step Solution
- Step 1: Write the proportion equation
462,440,916.68 : 638,167,774.91 = 250,747,362.66 : x - Step 2: Convert to fraction form
462,440,916.68/638,167,774.91 = 250,747,362.66/x - Step 3: Cross multiply
462,440,916.68x = 638,167,774.91 × 250,747,362.66 - Step 4: Simplify right side
462,440,916.68x = 160,018,886,492,029,280 - Step 5: Solve for x
x = 160,018,886,492,029,280/462,440,916.68 - Step 6: Final answer
x = 346,030,986.28
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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.