Finding the Fourth Proportional to 348,270,775.28, 480,599,237.64 and 189,501,553.76
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Solution
The fourth proportional to 348,270,775.28, 480,599,237.64 and 189,501,553.76 is: 261,504,291.30
Step by Step Solution
- Step 1: Write the proportion equation
348,270,775.28 : 480,599,237.64 = 189,501,553.76 : x - Step 2: Convert to fraction form
348,270,775.28/480,599,237.64 = 189,501,553.76/x - Step 3: Cross multiply
348,270,775.28x = 480,599,237.64 × 189,501,553.76 - Step 4: Simplify right side
348,270,775.28x = 91,074,302,268,651,472 - Step 5: Solve for x
x = 91,074,302,268,651,472/348,270,775.28 - Step 6: Final answer
x = 261,504,291.30
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1.5x scale
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.