Finding the Fourth Proportional to 1,102,022,589.48, 1,520,791,119.45 and 606,985,322.28
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Solution
The fourth proportional to 1,102,022,589.48, 1,520,791,119.45 and 606,985,322.28 is: 837,639,714.99
Step by Step Solution
- Step 1: Write the proportion equation
1,102,022,589.48 : 1,520,791,119.45 = 606,985,322.28 : x - Step 2: Convert to fraction form
1,102,022,589.48/1,520,791,119.45 = 606,985,322.28/x - Step 3: Cross multiply
1,102,022,589.48x = 1,520,791,119.45 × 606,985,322.28 - Step 4: Simplify right side
1,102,022,589.48x = 923,097,887,759,920,256 - Step 5: Solve for x
x = 923,097,887,759,920,256/1,102,022,589.48 - Step 6: Final answer
x = 837,639,714.99
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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.