Finding the Fourth Proportional to 220,732,349,285.99, 331,098,523,557.54 and 53,039,812,000.38
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Solution
The fourth proportional to 220,732,349,285.99, 331,098,523,557.54 and 53,039,812,000.38 is: 79,559,717,911.32
Step by Step Solution
- Step 1: Write the proportion equation
220,732,349,285.99 : 331,098,523,557.54 = 53,039,812,000.38 : x - Step 2: Convert to fraction form
220,732,349,285.99/331,098,523,557.54 = 53,039,812,000.38/x - Step 3: Cross multiply
220,732,349,285.99x = 331,098,523,557.54 × 53,039,812,000.38 - Step 4: Simplify right side
220,732,349,285.99x = 17,561,403,443,095,309,123,584 - Step 5: Solve for x
x = 17,561,403,443,095,309,123,584/220,732,349,285.99 - Step 6: Final answer
x = 79,559,717,911.32
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1.5x scale
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.