Finding the Fourth Proportional to 836,068,726.63, 1,153,808,087.49 and 459,756,166.46
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Solution
The fourth proportional to 836,068,726.63, 1,153,808,087.49 and 459,756,166.46 is: 634,481,791.07
Step by Step Solution
- Step 1: Write the proportion equation
836,068,726.63 : 1,153,808,087.49 = 459,756,166.46 : x - Step 2: Convert to fraction form
836,068,726.63/1,153,808,087.49 = 459,756,166.46/x - Step 3: Cross multiply
836,068,726.63x = 1,153,808,087.49 × 459,756,166.46 - Step 4: Simplify right side
836,068,726.63x = 530,470,383,129,177,600 - Step 5: Solve for x
x = 530,470,383,129,177,600/836,068,726.63 - Step 6: Final answer
x = 634,481,791.07
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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.