Finding the Fourth Proportional to 1,132,278,029.88, 1,562,593,957.74 and 637,272,799.80
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Solution
The fourth proportional to 1,132,278,029.88, 1,562,593,957.74 and 637,272,799.80 is: 879,464,760.53
Step by Step Solution
- Step 1: Write the proportion equation
1,132,278,029.88 : 1,562,593,957.74 = 637,272,799.80 : x - Step 2: Convert to fraction form
1,132,278,029.88/1,562,593,957.74 = 637,272,799.80/x - Step 3: Cross multiply
1,132,278,029.88x = 1,562,593,957.74 × 637,272,799.80 - Step 4: Simplify right side
1,132,278,029.88x = 995,798,626,399,532,672 - Step 5: Solve for x
x = 995,798,626,399,532,672/1,132,278,029.88 - Step 6: Final answer
x = 879,464,760.53
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1.5x scale
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.