Finding the Fourth Proportional to 28,180,320,183,038, 42,276,564,457,305 and 8,577,998,949,683.40
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Solution
The fourth proportional to 28,180,320,183,038, 42,276,564,457,305 and 8,577,998,949,683.40 is: 12,868,850,430,211.45
Step by Step Solution
- Step 1: Write the proportion equation
28,180,320,183,038 : 42,276,564,457,305 = 8,577,998,949,683.40 : x - Step 2: Convert to fraction form
28,180,320,183,038/42,276,564,457,305 = 8,577,998,949,683.40/x - Step 3: Cross multiply
28,180,320,183,038x = 42,276,564,457,305 × 8,577,998,949,683.40 - Step 4: Simplify right side
28,180,320,183,038x = 362,648,325,510,984,883,440,189,440 - Step 5: Solve for x
x = 362,648,325,510,984,883,440,189,440/28,180,320,183,038 - Step 6: Final answer
x = 12,868,850,430,211.45
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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.