Finding the Fourth Proportional to 932,496,741.21, 1,286,838,840.46 and 509,110,389.36
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Solution
The fourth proportional to 932,496,741.21, 1,286,838,840.46 and 509,110,389.36 is: 702,568,699.88
Step by Step Solution
- Step 1: Write the proportion equation
932,496,741.21 : 1,286,838,840.46 = 509,110,389.36 : x - Step 2: Convert to fraction form
932,496,741.21/1,286,838,840.46 = 509,110,389.36/x - Step 3: Cross multiply
932,496,741.21x = 1,286,838,840.46 × 509,110,389.36 - Step 4: Simplify right side
932,496,741.21x = 655,143,023,110,161,536 - Step 5: Solve for x
x = 655,143,023,110,161,536/932,496,741.21 - Step 6: Final answer
x = 702,568,699.88
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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.