Finding the Fourth Proportional to 364,556,339.75, 503,090,885.69 and 207,931,376.84
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Solution
The fourth proportional to 364,556,339.75, 503,090,885.69 and 207,931,376.84 is: 286,947,089.18
Step by Step Solution
- Step 1: Write the proportion equation
364,556,339.75 : 503,090,885.69 = 207,931,376.84 : x - Step 2: Convert to fraction form
364,556,339.75/503,090,885.69 = 207,931,376.84/x - Step 3: Cross multiply
364,556,339.75x = 503,090,885.69 × 207,931,376.84 - Step 4: Simplify right side
364,556,339.75x = 104,608,380,534,401,392 - Step 5: Solve for x
x = 104,608,380,534,401,392/364,556,339.75 - Step 6: Final answer
x = 286,947,089.18
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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.