Finding the Fourth Proportional to 1,581,224,081,781.70, 2,181,936,758,729 and 886,792,831,525.87
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Solution
The fourth proportional to 1,581,224,081,781.70, 2,181,936,758,729 and 886,792,831,525.87 is: 1,223,688,595,928.43
Step by Step Solution
- Step 1: Write the proportion equation
1,581,224,081,781.70 : 2,181,936,758,729 = 886,792,831,525.87 : x - Step 2: Convert to fraction form
1,581,224,081,781.70/2,181,936,758,729 = 886,792,831,525.87/x - Step 3: Cross multiply
1,581,224,081,781.70x = 2,181,936,758,729 × 886,792,831,525.87 - Step 4: Simplify right side
1,581,224,081,781.70x = 1,934,925,876,483,669,012,512,768 - Step 5: Solve for x
x = 1,934,925,876,483,669,012,512,768/1,581,224,081,781.70 - Step 6: Final answer
x = 1,223,688,595,928.43
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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.