Finding the Fourth Proportional to 1,101,986,022.24, 1,520,740,738.44 and 606,948,730.74
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Solution
The fourth proportional to 1,101,986,022.24, 1,520,740,738.44 and 606,948,730.74 is: 837,589,263.70
Step by Step Solution
- Step 1: Write the proportion equation
1,101,986,022.24 : 1,520,740,738.44 = 606,948,730.74 : x - Step 2: Convert to fraction form
1,101,986,022.24/1,520,740,738.44 = 606,948,730.74/x - Step 3: Cross multiply
1,101,986,022.24x = 1,520,740,738.44 × 606,948,730.74 - Step 4: Simplify right side
1,101,986,022.24x = 923,011,660,980,768,384 - Step 5: Solve for x
x = 923,011,660,980,768,384/1,101,986,022.24 - Step 6: Final answer
x = 837,589,263.70
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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.