Finding the Fourth Proportional to 2,435,933,663.95, 3,361,012,287.84 and 1,378,661,605.09
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Solution
The fourth proportional to 2,435,933,663.95, 3,361,012,287.84 and 1,378,661,605.09 is: 1,902,226,921.88
Step by Step Solution
- Step 1: Write the proportion equation
2,435,933,663.95 : 3,361,012,287.84 = 1,378,661,605.09 : x - Step 2: Convert to fraction form
2,435,933,663.95/3,361,012,287.84 = 1,378,661,605.09/x - Step 3: Cross multiply
2,435,933,663.95x = 3,361,012,287.84 × 1,378,661,605.09 - Step 4: Simplify right side
2,435,933,663.95x = 4,633,698,595,480,707,072 - Step 5: Solve for x
x = 4,633,698,595,480,707,072/2,435,933,663.95 - Step 6: Final answer
x = 1,902,226,921.88
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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.