Finding the Fourth Proportional to 277,223,527.74, 382,571,491.62 and 153,466,271.58
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Solution
The fourth proportional to 277,223,527.74, 382,571,491.62 and 153,466,271.58 is: 211,785,128.45
Step by Step Solution
- Step 1: Write the proportion equation
277,223,527.74 : 382,571,491.62 = 153,466,271.58 : x - Step 2: Convert to fraction form
277,223,527.74/382,571,491.62 = 153,466,271.58/x - Step 3: Cross multiply
277,223,527.74x = 382,571,491.62 × 153,466,271.58 - Step 4: Simplify right side
277,223,527.74x = 58,711,820,431,720,616 - Step 5: Solve for x
x = 58,711,820,431,720,616/277,223,527.74 - Step 6: Final answer
x = 211,785,128.45
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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.