Finding the Fourth Proportional to 1,805,319,928,365.40, 2,709,171,392,235.20 and 956,972,208,169.12
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Solution
The fourth proportional to 1,805,319,928,365.40, 2,709,171,392,235.20 and 956,972,208,169.12 is: 1,436,089,907,833.32
Step by Step Solution
- Step 1: Write the proportion equation
1,805,319,928,365.40 : 2,709,171,392,235.20 = 956,972,208,169.12 : x - Step 2: Convert to fraction form
1,805,319,928,365.40/2,709,171,392,235.20 = 956,972,208,169.12/x - Step 3: Cross multiply
1,805,319,928,365.40x = 2,709,171,392,235.20 × 956,972,208,169.12 - Step 4: Simplify right side
1,805,319,928,365.40x = 2,592,601,729,535,928,585,682,944 - Step 5: Solve for x
x = 2,592,601,729,535,928,585,682,944/1,805,319,928,365.40 - Step 6: Final answer
x = 1,436,089,907,833.32
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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.