Finding the Fourth Proportional to 926,324,303.70, 1,389,486,455.55 and 797,184,140.70
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Solution
The fourth proportional to 926,324,303.70, 1,389,486,455.55 and 797,184,140.70 is: 1,195,776,211.05
Step by Step Solution
- Step 1: Write the proportion equation
926,324,303.70 : 1,389,486,455.55 = 797,184,140.70 : x - Step 2: Convert to fraction form
926,324,303.70/1,389,486,455.55 = 797,184,140.70/x - Step 3: Cross multiply
926,324,303.70x = 1,389,486,455.55 × 797,184,140.70 - Step 4: Simplify right side
926,324,303.70x = 1,107,676,566,081,915,520 - Step 5: Solve for x
x = 1,107,676,566,081,915,520/926,324,303.70 - Step 6: Final answer
x = 1,195,776,211.05
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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.