Finding the Fourth Proportional to 319,433,977.74, 479,103,012.53 and 101,055,944.84
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Solution
The fourth proportional to 319,433,977.74, 479,103,012.53 and 101,055,944.84 is: 151,568,746.54
Step by Step Solution
- Step 1: Write the proportion equation
319,433,977.74 : 479,103,012.53 = 101,055,944.84 : x - Step 2: Convert to fraction form
319,433,977.74/479,103,012.53 = 101,055,944.84/x - Step 3: Cross multiply
319,433,977.74x = 479,103,012.53 × 101,055,944.84 - Step 4: Simplify right side
319,433,977.74x = 48,416,207,607,601,984 - Step 5: Solve for x
x = 48,416,207,607,601,984/319,433,977.74 - Step 6: Final answer
x = 151,568,746.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.