Finding the Fourth Proportional to 615,197,147.40, 922,717,883.27 and 195,022,569.26
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Solution
The fourth proportional to 615,197,147.40, 922,717,883.27 and 195,022,569.26 is: 292,509,178.65
Step by Step Solution
- Step 1: Write the proportion equation
615,197,147.40 : 922,717,883.27 = 195,022,569.26 : x - Step 2: Convert to fraction form
615,197,147.40/922,717,883.27 = 195,022,569.26/x - Step 3: Cross multiply
615,197,147.40x = 922,717,883.27 × 195,022,569.26 - Step 4: Simplify right side
615,197,147.40x = 179,950,812,292,119,232 - Step 5: Solve for x
x = 179,950,812,292,119,232/615,197,147.40 - Step 6: Final answer
x = 292,509,178.65
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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.