Finding the Fourth Proportional to 1,581,224,081,779.20, 2,181,936,758,725.60 and 886,792,831,523.36
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Solution
The fourth proportional to 1,581,224,081,779.20, 2,181,936,758,725.60 and 886,792,831,523.36 is: 1,223,688,595,924.99
Step by Step Solution
- Step 1: Write the proportion equation
1,581,224,081,779.20 : 2,181,936,758,725.60 = 886,792,831,523.36 : x - Step 2: Convert to fraction form
1,581,224,081,779.20/2,181,936,758,725.60 = 886,792,831,523.36/x - Step 3: Cross multiply
1,581,224,081,779.20x = 2,181,936,758,725.60 × 886,792,831,523.36 - Step 4: Simplify right side
1,581,224,081,779.20x = 1,934,925,876,475,177,325,297,664 - Step 5: Solve for x
x = 1,934,925,876,475,177,325,297,664/1,581,224,081,779.20 - Step 6: Final answer
x = 1,223,688,595,924.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.