Finding the Fourth Proportional to 1,556,831,225.62, 2,148,425,703.34 and 878,790,896
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Solution
The fourth proportional to 1,556,831,225.62, 2,148,425,703.34 and 878,790,896 is: 1,212,730,652.98
Step by Step Solution
- Step 1: Write the proportion equation
1,556,831,225.62 : 2,148,425,703.34 = 878,790,896 : x - Step 2: Convert to fraction form
1,556,831,225.62/2,148,425,703.34 = 878,790,896/x - Step 3: Cross multiply
1,556,831,225.62x = 2,148,425,703.34 × 878,790,896 - Step 4: Simplify right side
1,556,831,225.62x = 1,888,016,948,827,588,864 - Step 5: Solve for x
x = 1,888,016,948,827,588,864/1,556,831,225.62 - Step 6: Final answer
x = 1,212,730,652.98
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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.