Finding the Fourth Proportional to 864,017,315.13, 1,192,347,055.22 and 467,540,307.84
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Solution
The fourth proportional to 864,017,315.13, 1,192,347,055.22 and 467,540,307.84 is: 645,207,334.95
Step by Step Solution
- Step 1: Write the proportion equation
864,017,315.13 : 1,192,347,055.22 = 467,540,307.84 : x - Step 2: Convert to fraction form
864,017,315.13/1,192,347,055.22 = 467,540,307.84/x - Step 3: Cross multiply
864,017,315.13x = 1,192,347,055.22 × 467,540,307.84 - Step 4: Simplify right side
864,017,315.13x = 557,470,309,247,338,496 - Step 5: Solve for x
x = 557,470,309,247,338,496/864,017,315.13 - Step 6: Final answer
x = 645,207,334.95
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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.