Finding the Fourth Proportional to 1,488,622,327.20, 2,232,933,490.80 and 614,933,323.20
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Solution
The fourth proportional to 1,488,622,327.20, 2,232,933,490.80 and 614,933,323.20 is: 922,399,984.80
Step by Step Solution
- Step 1: Write the proportion equation
1,488,622,327.20 : 2,232,933,490.80 = 614,933,323.20 : x - Step 2: Convert to fraction form
1,488,622,327.20/2,232,933,490.80 = 614,933,323.20/x - Step 3: Cross multiply
1,488,622,327.20x = 2,232,933,490.80 × 614,933,323.20 - Step 4: Simplify right side
1,488,622,327.20x = 1,373,105,211,982,220,800 - Step 5: Solve for x
x = 1,373,105,211,982,220,800/1,488,622,327.20 - Step 6: Final answer
x = 922,399,984.80
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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.