Finding the Fourth Proportional to 2,657,426,194.40, 3,986,139,291.60 and 1,624,304,890.40
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Solution
The fourth proportional to 2,657,426,194.40, 3,986,139,291.60 and 1,624,304,890.40 is: 2,436,457,335.60
Step by Step Solution
- Step 1: Write the proportion equation
2,657,426,194.40 : 3,986,139,291.60 = 1,624,304,890.40 : x - Step 2: Convert to fraction form
2,657,426,194.40/3,986,139,291.60 = 1,624,304,890.40/x - Step 3: Cross multiply
2,657,426,194.40x = 3,986,139,291.60 × 1,624,304,890.40 - Step 4: Simplify right side
2,657,426,194.40x = 6,474,705,545,161,472,000 - Step 5: Solve for x
x = 6,474,705,545,161,472,000/2,657,426,194.40 - Step 6: Final answer
x = 2,436,457,335.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.