Finding the Fourth Proportional to 434,553,568.47, 601,263,058.12 and 378,915,009.08
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Solution
The fourth proportional to 434,553,568.47, 601,263,058.12 and 378,915,009.08 is: 524,279,659.99
Step by Step Solution
- Step 1: Write the proportion equation
434,553,568.47 : 601,263,058.12 = 378,915,009.08 : x - Step 2: Convert to fraction form
434,553,568.47/601,263,058.12 = 378,915,009.08/x - Step 3: Cross multiply
434,553,568.47x = 601,263,058.12 × 378,915,009.08 - Step 4: Simplify right side
434,553,568.47x = 227,827,597,123,047,200 - Step 5: Solve for x
x = 227,827,597,123,047,200/434,553,568.47 - Step 6: Final answer
x = 524,279,659.99
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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.