Finding the Fourth Proportional to 431,942,621.42, 596,097,733.17 and 243,777,488.09
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Solution
The fourth proportional to 431,942,621.42, 596,097,733.17 and 243,777,488.09 is: 336,422,480.31
Step by Step Solution
- Step 1: Write the proportion equation
431,942,621.42 : 596,097,733.17 = 243,777,488.09 : x - Step 2: Convert to fraction form
431,942,621.42/596,097,733.17 = 243,777,488.09/x - Step 3: Cross multiply
431,942,621.42x = 596,097,733.17 × 243,777,488.09 - Step 4: Simplify right side
431,942,621.42x = 145,315,208,048,325,664 - Step 5: Solve for x
x = 145,315,208,048,325,664/431,942,621.42 - Step 6: Final answer
x = 336,422,480.31
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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.