Finding the Fourth Proportional to 1,027,262,330.52, 1,417,604,138.70 and 625,230,757.08
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Solution
The fourth proportional to 1,027,262,330.52, 1,417,604,138.70 and 625,230,757.08 is: 862,807,563.90
Step by Step Solution
- Step 1: Write the proportion equation
1,027,262,330.52 : 1,417,604,138.70 = 625,230,757.08 : x - Step 2: Convert to fraction form
1,027,262,330.52/1,417,604,138.70 = 625,230,757.08/x - Step 3: Cross multiply
1,027,262,330.52x = 1,417,604,138.70 × 625,230,757.08 - Step 4: Simplify right side
1,027,262,330.52x = 886,329,708,879,142,400 - Step 5: Solve for x
x = 886,329,708,879,142,400/1,027,262,330.52 - Step 6: Final answer
x = 862,807,563.90
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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.