Finding the Fourth Proportional to 913,475,837.94, 1,260,380,592.48 and 516,998,819.14
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Solution
The fourth proportional to 913,475,837.94, 1,260,380,592.48 and 516,998,819.14 is: 713,336,085.00
Step by Step Solution
- Step 1: Write the proportion equation
913,475,837.94 : 1,260,380,592.48 = 516,998,819.14 : x - Step 2: Convert to fraction form
913,475,837.94/1,260,380,592.48 = 516,998,819.14/x - Step 3: Cross multiply
913,475,837.94x = 1,260,380,592.48 × 516,998,819.14 - Step 4: Simplify right side
913,475,837.94x = 651,615,277,979,133,568 - Step 5: Solve for x
x = 651,615,277,979,133,568/913,475,837.94 - Step 6: Final answer
x = 713,336,085.00
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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.