Finding the Fourth Proportional to 443,995,161.84, 612,700,021.80 and 245,764,782
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Solution
The fourth proportional to 443,995,161.84, 612,700,021.80 and 245,764,782 is: 339,148,036.35
Step by Step Solution
- Step 1: Write the proportion equation
443,995,161.84 : 612,700,021.80 = 245,764,782 : x - Step 2: Convert to fraction form
443,995,161.84/612,700,021.80 = 245,764,782/x - Step 3: Cross multiply
443,995,161.84x = 612,700,021.80 × 245,764,782 - Step 4: Simplify right side
443,995,161.84x = 150,580,087,289,072,224 - Step 5: Solve for x
x = 150,580,087,289,072,224/443,995,161.84 - Step 6: Final answer
x = 339,148,036.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.