Finding the Fourth Proportional to 926,324,234.20, 1,389,486,351.30 and 797,184,071.20
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Solution
The fourth proportional to 926,324,234.20, 1,389,486,351.30 and 797,184,071.20 is: 1,195,776,106.80
Step by Step Solution
- Step 1: Write the proportion equation
926,324,234.20 : 1,389,486,351.30 = 797,184,071.20 : x - Step 2: Convert to fraction form
926,324,234.20/1,389,486,351.30 = 797,184,071.20/x - Step 3: Cross multiply
926,324,234.20x = 1,389,486,351.30 × 797,184,071.20 - Step 4: Simplify right side
926,324,234.20x = 1,107,676,386,406,167,424 - Step 5: Solve for x
x = 1,107,676,386,406,167,424/926,324,234.20 - Step 6: Final answer
x = 1,195,776,106.80
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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.