Finding the Fourth Proportional to 1,512,205,297.60, 2,268,307,946.40 and 889,781,598.40
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Solution
The fourth proportional to 1,512,205,297.60, 2,268,307,946.40 and 889,781,598.40 is: 1,334,672,397.60
Step by Step Solution
- Step 1: Write the proportion equation
1,512,205,297.60 : 2,268,307,946.40 = 889,781,598.40 : x - Step 2: Convert to fraction form
1,512,205,297.60/2,268,307,946.40 = 889,781,598.40/x - Step 3: Cross multiply
1,512,205,297.60x = 2,268,307,946.40 × 889,781,598.40 - Step 4: Simplify right side
1,512,205,297.60x = 2,018,298,670,211,213,568 - Step 5: Solve for x
x = 2,018,298,670,211,213,568/1,512,205,297.60 - Step 6: Final answer
x = 1,334,672,397.60
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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.