Finding the Fourth Proportional to 969,018,921.60, 1,453,528,382.40 and 894,192,028.80
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Solution
The fourth proportional to 969,018,921.60, 1,453,528,382.40 and 894,192,028.80 is: 1,341,288,043.20
Step by Step Solution
- Step 1: Write the proportion equation
969,018,921.60 : 1,453,528,382.40 = 894,192,028.80 : x - Step 2: Convert to fraction form
969,018,921.60/1,453,528,382.40 = 894,192,028.80/x - Step 3: Cross multiply
969,018,921.60x = 1,453,528,382.40 × 894,192,028.80 - Step 4: Simplify right side
969,018,921.60x = 1,299,733,493,176,638,208 - Step 5: Solve for x
x = 1,299,733,493,176,638,208/969,018,921.60 - Step 6: Final answer
x = 1,341,288,043.20
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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.