Finding the Fourth Proportional to 265,803,981.84, 398,704,299.71 and 143,040,126.69
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Solution
The fourth proportional to 265,803,981.84, 398,704,299.71 and 143,040,126.69 is: 214,559,289.69
Step by Step Solution
- Step 1: Write the proportion equation
265,803,981.84 : 398,704,299.71 = 143,040,126.69 : x - Step 2: Convert to fraction form
265,803,981.84/398,704,299.71 = 143,040,126.69/x - Step 3: Cross multiply
265,803,981.84x = 398,704,299.71 × 143,040,126.69 - Step 4: Simplify right side
265,803,981.84x = 57,030,713,541,650,928 - Step 5: Solve for x
x = 57,030,713,541,650,928/265,803,981.84 - Step 6: Final answer
x = 214,559,289.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.