Finding the Fourth Proportional to 427,619,267.08, 590,114,588.69 and 232,048,979.08
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Solution
The fourth proportional to 427,619,267.08, 590,114,588.69 and 232,048,979.08 is: 320,227,591.20
Step by Step Solution
- Step 1: Write the proportion equation
427,619,267.08 : 590,114,588.69 = 232,048,979.08 : x - Step 2: Convert to fraction form
427,619,267.08/590,114,588.69 = 232,048,979.08/x - Step 3: Cross multiply
427,619,267.08x = 590,114,588.69 × 232,048,979.08 - Step 4: Simplify right side
427,619,267.08x = 136,935,487,844,833,440 - Step 5: Solve for x
x = 136,935,487,844,833,440/427,619,267.08 - Step 6: Final answer
x = 320,227,591.20
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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.