Finding the Fourth Proportional to 1,053,252,854.36, 1,452,937,880.04 and 651,238,093.97
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Solution
The fourth proportional to 1,053,252,854.36, 1,452,937,880.04 and 651,238,093.97 is: 898,367,843.71
Step by Step Solution
- Step 1: Write the proportion equation
1,053,252,854.36 : 1,452,937,880.04 = 651,238,093.97 : x - Step 2: Convert to fraction form
1,053,252,854.36/1,452,937,880.04 = 651,238,093.97/x - Step 3: Cross multiply
1,053,252,854.36x = 1,452,937,880.04 × 651,238,093.97 - Step 4: Simplify right side
1,053,252,854.36x = 946,208,495,646,797,440 - Step 5: Solve for x
x = 946,208,495,646,797,440/1,053,252,854.36 - Step 6: Final answer
x = 898,367,843.71
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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.