Finding the Fourth Proportional to 892,409,027.40, 1,231,554,364.07 and 495,948,726.99
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Solution
The fourth proportional to 892,409,027.40, 1,231,554,364.07 and 495,948,726.99 is: 684,425,863.39
Step by Step Solution
- Step 1: Write the proportion equation
892,409,027.40 : 1,231,554,364.07 = 495,948,726.99 : x - Step 2: Convert to fraction form
892,409,027.40/1,231,554,364.07 = 495,948,726.99/x - Step 3: Cross multiply
892,409,027.40x = 1,231,554,364.07 × 495,948,726.99 - Step 4: Simplify right side
892,409,027.40x = 610,787,819,077,015,808 - Step 5: Solve for x
x = 610,787,819,077,015,808/892,409,027.40 - Step 6: Final answer
x = 684,425,863.39
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1.5x scale
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.