Finding the Fourth Proportional to 1,512,205,512.60, 2,268,308,268.90 and 889,781,813.40
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Solution
The fourth proportional to 1,512,205,512.60, 2,268,308,268.90 and 889,781,813.40 is: 1,334,672,720.10
Step by Step Solution
- Step 1: Write the proportion equation
1,512,205,512.60 : 2,268,308,268.90 = 889,781,813.40 : x - Step 2: Convert to fraction form
1,512,205,512.60/2,268,308,268.90 = 889,781,813.40/x - Step 3: Cross multiply
1,512,205,512.60x = 2,268,308,268.90 × 889,781,813.40 - Step 4: Simplify right side
1,512,205,512.60x = 2,018,299,444,852,056,832 - Step 5: Solve for x
x = 2,018,299,444,852,056,832/1,512,205,512.60 - Step 6: Final answer
x = 1,334,672,720.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.