Finding the Fourth Proportional to 350,881,057.25, 526,623,916.76 and 243,251,263.97
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Solution
The fourth proportional to 350,881,057.25, 526,623,916.76 and 243,251,263.97 is: 365,086,489.40
Step by Step Solution
- Step 1: Write the proportion equation
350,881,057.25 : 526,623,916.76 = 243,251,263.97 : x - Step 2: Convert to fraction form
350,881,057.25/526,623,916.76 = 243,251,263.97/x - Step 3: Cross multiply
350,881,057.25x = 526,623,916.76 × 243,251,263.97 - Step 4: Simplify right side
350,881,057.25x = 128,101,933,388,702,064 - Step 5: Solve for x
x = 128,101,933,388,702,064/350,881,057.25 - Step 6: Final answer
x = 365,086,489.40
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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.