Finding the Fourth Proportional to 838,982,960.80, 1,258,474,441.20 and 757,353,623.20
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Solution
The fourth proportional to 838,982,960.80, 1,258,474,441.20 and 757,353,623.20 is: 1,136,030,434.80
Step by Step Solution
- Step 1: Write the proportion equation
838,982,960.80 : 1,258,474,441.20 = 757,353,623.20 : x - Step 2: Convert to fraction form
838,982,960.80/1,258,474,441.20 = 757,353,623.20/x - Step 3: Cross multiply
838,982,960.80x = 1,258,474,441.20 × 757,353,623.20 - Step 4: Simplify right side
838,982,960.80x = 953,110,177,747,415,424 - Step 5: Solve for x
x = 953,110,177,747,415,424/838,982,960.80 - Step 6: Final answer
x = 1,136,030,434.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.