Finding the Fourth Proportional to 389,009,448.94, 536,837,298.84 and 212,797,446.03
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Solution
The fourth proportional to 389,009,448.94, 536,837,298.84 and 212,797,446.03 is: 293,662,805.46
Step by Step Solution
- Step 1: Write the proportion equation
389,009,448.94 : 536,837,298.84 = 212,797,446.03 : x - Step 2: Convert to fraction form
389,009,448.94/536,837,298.84 = 212,797,446.03/x - Step 3: Cross multiply
389,009,448.94x = 536,837,298.84 × 212,797,446.03 - Step 4: Simplify right side
389,009,448.94x = 114,237,606,125,493,536 - Step 5: Solve for x
x = 114,237,606,125,493,536/389,009,448.94 - Step 6: Final answer
x = 293,662,805.46
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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.