Finding the Fourth Proportional to 552,541,958.79, 762,503,226.44 and 305,017,998.63
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Solution
The fourth proportional to 552,541,958.79, 762,503,226.44 and 305,017,998.63 is: 420,922,256.45
Step by Step Solution
- Step 1: Write the proportion equation
552,541,958.79 : 762,503,226.44 = 305,017,998.63 : x - Step 2: Convert to fraction form
552,541,958.79/762,503,226.44 = 305,017,998.63/x - Step 3: Cross multiply
552,541,958.79x = 762,503,226.44 × 305,017,998.63 - Step 4: Simplify right side
552,541,958.79x = 232,577,208,077,646,528 - Step 5: Solve for x
x = 232,577,208,077,646,528/552,541,958.79 - Step 6: Final answer
x = 420,922,256.45
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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.