Finding the Fourth Proportional to 2,390,126,649.90, 3,298,377,954.24 and 1,318,405,804.62
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Solution
The fourth proportional to 2,390,126,649.90, 3,298,377,954.24 and 1,318,405,804.62 is: 1,819,401,763.03
Step by Step Solution
- Step 1: Write the proportion equation
2,390,126,649.90 : 3,298,377,954.24 = 1,318,405,804.62 : x - Step 2: Convert to fraction form
2,390,126,649.90/3,298,377,954.24 = 1,318,405,804.62/x - Step 3: Cross multiply
2,390,126,649.90x = 3,298,377,954.24 × 1,318,405,804.62 - Step 4: Simplify right side
2,390,126,649.90x = 4,348,600,640,700,656,128 - Step 5: Solve for x
x = 4,348,600,640,700,656,128/2,390,126,649.90 - Step 6: Final answer
x = 1,819,401,763.03
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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.