Finding the Fourth Proportional to 892,983,028.28, 1,232,310,124.97 and 496,502,946.46
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Solution
The fourth proportional to 892,983,028.28, 1,232,310,124.97 and 496,502,946.46 is: 685,170,477.62
Step by Step Solution
- Step 1: Write the proportion equation
892,983,028.28 : 1,232,310,124.97 = 496,502,946.46 : x - Step 2: Convert to fraction form
892,983,028.28/1,232,310,124.97 = 496,502,946.46/x - Step 3: Cross multiply
892,983,028.28x = 1,232,310,124.97 × 496,502,946.46 - Step 4: Simplify right side
892,983,028.28x = 611,845,607,995,492,736 - Step 5: Solve for x
x = 611,845,607,995,492,736/892,983,028.28 - Step 6: Final answer
x = 685,170,477.62
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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.