Finding the Fourth Proportional to 1,119,028,216.44, 1,544,263,739.66 and 610,402,013.86
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Solution
The fourth proportional to 1,119,028,216.44, 1,544,263,739.66 and 610,402,013.86 is: 842,357,397.94
Step by Step Solution
- Step 1: Write the proportion equation
1,119,028,216.44 : 1,544,263,739.66 = 610,402,013.86 : x - Step 2: Convert to fraction form
1,119,028,216.44/1,544,263,739.66 = 610,402,013.86/x - Step 3: Cross multiply
1,119,028,216.44x = 1,544,263,739.66 × 610,402,013.86 - Step 4: Simplify right side
1,119,028,216.44x = 942,621,696,621,174,016 - Step 5: Solve for x
x = 942,621,696,621,174,016/1,119,028,216.44 - Step 6: Final answer
x = 842,357,397.94
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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.