Finding the Fourth Proportional to 277,223,514.87, 382,571,473.82 and 153,466,258.71
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Solution
The fourth proportional to 277,223,514.87, 382,571,473.82 and 153,466,258.71 is: 211,785,110.67
Step by Step Solution
- Step 1: Write the proportion equation
277,223,514.87 : 382,571,473.82 = 153,466,258.71 : x - Step 2: Convert to fraction form
277,223,514.87/382,571,473.82 = 153,466,258.71/x - Step 3: Cross multiply
277,223,514.87x = 382,571,473.82 × 153,466,258.71 - Step 4: Simplify right side
277,223,514.87x = 58,711,812,776,326,112 - Step 5: Solve for x
x = 58,711,812,776,326,112/277,223,514.87 - Step 6: Final answer
x = 211,785,110.67
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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.