Finding the Fourth Proportional to 3,826,689,769.02, 5,280,831,838.35 and 2,066,557,177.02
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Solution
The fourth proportional to 3,826,689,769.02, 5,280,831,838.35 and 2,066,557,177.02 is: 2,851,848,881.12
Step by Step Solution
- Step 1: Write the proportion equation
3,826,689,769.02 : 5,280,831,838.35 = 2,066,557,177.02 : x - Step 2: Convert to fraction form
3,826,689,769.02/5,280,831,838.35 = 2,066,557,177.02/x - Step 3: Cross multiply
3,826,689,769.02x = 5,280,831,838.35 × 2,066,557,177.02 - Step 4: Simplify right side
3,826,689,769.02x = 10,913,140,936,177,913,856 - Step 5: Solve for x
x = 10,913,140,936,177,913,856/3,826,689,769.02 - Step 6: Final answer
x = 2,851,848,881.12
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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.