Finding the Fourth Proportional to 1,695,495,782.13, 2,339,786,119.11 and 942,792,796.80
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Solution
The fourth proportional to 1,695,495,782.13, 2,339,786,119.11 and 942,792,796.80 is: 1,301,055,138.21
Step by Step Solution
- Step 1: Write the proportion equation
1,695,495,782.13 : 2,339,786,119.11 = 942,792,796.80 : x - Step 2: Convert to fraction form
1,695,495,782.13/2,339,786,119.11 = 942,792,796.80/x - Step 3: Cross multiply
1,695,495,782.13x = 2,339,786,119.11 × 942,792,796.80 - Step 4: Simplify right side
1,695,495,782.13x = 2,205,933,499,149,534,720 - Step 5: Solve for x
x = 2,205,933,499,149,534,720/1,695,495,782.13 - Step 6: Final answer
x = 1,301,055,138.21
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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.