Finding the Fourth Proportional to 466,245,961.56, 643,409,204.04 and 254,545,557.12
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Solution
The fourth proportional to 466,245,961.56, 643,409,204.04 and 254,545,557.12 is: 351,267,287.66
Step by Step Solution
- Step 1: Write the proportion equation
466,245,961.56 : 643,409,204.04 = 254,545,557.12 : x - Step 2: Convert to fraction form
466,245,961.56/643,409,204.04 = 254,545,557.12/x - Step 3: Cross multiply
466,245,961.56x = 643,409,204.04 × 254,545,557.12 - Step 4: Simplify right side
466,245,961.56x = 163,776,954,298,497,536 - Step 5: Solve for x
x = 163,776,954,298,497,536/466,245,961.56 - Step 6: Final answer
x = 351,267,287.66
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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.