Finding the Fourth Proportional to 1,174,567,332.62, 1,620,945,534.78 and 672,873,077.99
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Solution
The fourth proportional to 1,174,567,332.62, 1,620,945,534.78 and 672,873,077.99 is: 928,589,260.87
Step by Step Solution
- Step 1: Write the proportion equation
1,174,567,332.62 : 1,620,945,534.78 = 672,873,077.99 : x - Step 2: Convert to fraction form
1,174,567,332.62/1,620,945,534.78 = 672,873,077.99/x - Step 3: Cross multiply
1,174,567,332.62x = 1,620,945,534.78 × 672,873,077.99 - Step 4: Simplify right side
1,174,567,332.62x = 1,090,690,611,233,460,480 - Step 5: Solve for x
x = 1,090,690,611,233,460,480/1,174,567,332.62 - Step 6: Final answer
x = 928,589,260.87
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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.