Finding the Fourth Proportional to 1,512,205,329.60, 2,268,307,994.40 and 889,781,630.40
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Solution
The fourth proportional to 1,512,205,329.60, 2,268,307,994.40 and 889,781,630.40 is: 1,334,672,445.60
Step by Step Solution
- Step 1: Write the proportion equation
1,512,205,329.60 : 2,268,307,994.40 = 889,781,630.40 : x - Step 2: Convert to fraction form
1,512,205,329.60/2,268,307,994.40 = 889,781,630.40/x - Step 3: Cross multiply
1,512,205,329.60x = 2,268,307,994.40 × 889,781,630.40 - Step 4: Simplify right side
1,512,205,329.60x = 2,018,298,785,506,586,112 - Step 5: Solve for x
x = 2,018,298,785,506,586,112/1,512,205,329.60 - Step 6: Final answer
x = 1,334,672,445.60
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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.