Finding the Fourth Proportional to 507,469,275.08, 700,272,357.44 and 281,419,919.44
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Solution
The fourth proportional to 507,469,275.08, 700,272,357.44 and 281,419,919.44 is: 388,339,945.09
Step by Step Solution
- Step 1: Write the proportion equation
507,469,275.08 : 700,272,357.44 = 281,419,919.44 : x - Step 2: Convert to fraction form
507,469,275.08/700,272,357.44 = 281,419,919.44/x - Step 3: Cross multiply
507,469,275.08x = 700,272,357.44 × 281,419,919.44 - Step 4: Simplify right side
507,469,275.08x = 197,070,590,416,823,712 - Step 5: Solve for x
x = 197,070,590,416,823,712/507,469,275.08 - Step 6: Final answer
x = 388,339,945.09
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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.