Finding the Fourth Proportional to 3,258,131,567.40, 4,887,197,351.10 and 1,187,920,866.60
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Solution
The fourth proportional to 3,258,131,567.40, 4,887,197,351.10 and 1,187,920,866.60 is: 1,781,881,299.90
Step by Step Solution
- Step 1: Write the proportion equation
3,258,131,567.40 : 4,887,197,351.10 = 1,187,920,866.60 : x - Step 2: Convert to fraction form
3,258,131,567.40/4,887,197,351.10 = 1,187,920,866.60/x - Step 3: Cross multiply
3,258,131,567.40x = 4,887,197,351.10 × 1,187,920,866.60 - Step 4: Simplify right side
3,258,131,567.40x = 5,805,603,712,563,936,256 - Step 5: Solve for x
x = 5,805,603,712,563,936,256/3,258,131,567.40 - Step 6: Final answer
x = 1,781,881,299.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.