Finding the Fourth Proportional to 1,324,600,117.00, 1,827,865,785.36 and 729,851,318.61
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Solution
The fourth proportional to 1,324,600,117.00, 1,827,865,785.36 and 729,851,318.61 is: 1,007,149,430.66
Step by Step Solution
- Step 1: Write the proportion equation
1,324,600,117.00 : 1,827,865,785.36 = 729,851,318.61 : x - Step 2: Convert to fraction form
1,324,600,117.00/1,827,865,785.36 = 729,851,318.61/x - Step 3: Cross multiply
1,324,600,117.00x = 1,827,865,785.36 × 729,851,318.61 - Step 4: Simplify right side
1,324,600,117.00x = 1,334,070,253,682,963,200 - Step 5: Solve for x
x = 1,334,070,253,682,963,200/1,324,600,117.00 - Step 6: Final answer
x = 1,007,149,430.66
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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.