Finding the Fourth Proportional to 1,604,672,258.08, 2,214,450,321.24 and 890,207,829.87
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Solution
The fourth proportional to 1,604,672,258.08, 2,214,450,321.24 and 890,207,829.87 is: 1,228,488,250.42
Step by Step Solution
- Step 1: Write the proportion equation
1,604,672,258.08 : 2,214,450,321.24 = 890,207,829.87 : x - Step 2: Convert to fraction form
1,604,672,258.08/2,214,450,321.24 = 890,207,829.87/x - Step 3: Cross multiply
1,604,672,258.08x = 2,214,450,321.24 × 890,207,829.87 - Step 4: Simplify right side
1,604,672,258.08x = 1,971,321,014,829,278,464 - Step 5: Solve for x
x = 1,971,321,014,829,278,464/1,604,672,258.08 - Step 6: Final answer
x = 1,228,488,250.42
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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.