Finding the Fourth Proportional to 833,245,048.64, 1,247,415,707.21 and 556,209,109.05
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Solution
The fourth proportional to 833,245,048.64, 1,247,415,707.21 and 556,209,109.05 is: 832,676,990.11
Step by Step Solution
- Step 1: Write the proportion equation
833,245,048.64 : 1,247,415,707.21 = 556,209,109.05 : x - Step 2: Convert to fraction form
833,245,048.64/1,247,415,707.21 = 556,209,109.05/x - Step 3: Cross multiply
833,245,048.64x = 1,247,415,707.21 × 556,209,109.05 - Step 4: Simplify right side
833,245,048.64x = 693,823,979,119,468,672 - Step 5: Solve for x
x = 693,823,979,119,468,672/833,245,048.64 - Step 6: Final answer
x = 832,676,990.11
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.