Finding the Fourth Proportional to 1,625,378,656.26, 2,242,984,395.45 and 956,367,032.58
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Solution
The fourth proportional to 1,625,378,656.26, 2,242,984,395.45 and 956,367,032.58 is: 1,319,764,057.52
Step by Step Solution
- Step 1: Write the proportion equation
1,625,378,656.26 : 2,242,984,395.45 = 956,367,032.58 : x - Step 2: Convert to fraction form
1,625,378,656.26/2,242,984,395.45 = 956,367,032.58/x - Step 3: Cross multiply
1,625,378,656.26x = 2,242,984,395.45 × 956,367,032.58 - Step 4: Simplify right side
1,625,378,656.26x = 2,145,116,330,399,761,664 - Step 5: Solve for x
x = 2,145,116,330,399,761,664/1,625,378,656.26 - Step 6: Final answer
x = 1,319,764,057.52
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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.