Finding the Fourth Proportional to 4,251,535,581.60, 6,377,303,372.40 and 1,490,805,874.80
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Solution
The fourth proportional to 4,251,535,581.60, 6,377,303,372.40 and 1,490,805,874.80 is: 2,236,208,812.20
Step by Step Solution
- Step 1: Write the proportion equation
4,251,535,581.60 : 6,377,303,372.40 = 1,490,805,874.80 : x - Step 2: Convert to fraction form
4,251,535,581.60/6,377,303,372.40 = 1,490,805,874.80/x - Step 3: Cross multiply
4,251,535,581.60x = 6,377,303,372.40 × 1,490,805,874.80 - Step 4: Simplify right side
4,251,535,581.60x = 9,507,321,332,955,770,880 - Step 5: Solve for x
x = 9,507,321,332,955,770,880/4,251,535,581.60 - Step 6: Final answer
x = 2,236,208,812.20
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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.