Finding the Fourth Proportional to 1,343,573,430.24, 1,854,139,940.58 and 748,895,622.12
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Solution
The fourth proportional to 1,343,573,430.24, 1,854,139,940.58 and 748,895,622.12 is: 1,033,480,755.90
Step by Step Solution
- Step 1: Write the proportion equation
1,343,573,430.24 : 1,854,139,940.58 = 748,895,622.12 : x - Step 2: Convert to fraction form
1,343,573,430.24/1,854,139,940.58 = 748,895,622.12/x - Step 3: Cross multiply
1,343,573,430.24x = 1,854,139,940.58 × 748,895,622.12 - Step 4: Simplify right side
1,343,573,430.24x = 1,388,557,284,298,198,784 - Step 5: Solve for x
x = 1,388,557,284,298,198,784/1,343,573,430.24 - Step 6: Final answer
x = 1,033,480,755.90
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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.