Finding the Fourth Proportional to 518,412,751.04, 777,619,874.95 and 211,704,863.92
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Solution
The fourth proportional to 518,412,751.04, 777,619,874.95 and 211,704,863.92 is: 317,557,601.49
Step by Step Solution
- Step 1: Write the proportion equation
518,412,751.04 : 777,619,874.95 = 211,704,863.92 : x - Step 2: Convert to fraction form
518,412,751.04/777,619,874.95 = 211,704,863.92/x - Step 3: Cross multiply
518,412,751.04x = 777,619,874.95 × 211,704,863.92 - Step 4: Simplify right side
518,412,751.04x = 164,625,909,803,889,056 - Step 5: Solve for x
x = 164,625,909,803,889,056/518,412,751.04 - Step 6: Final answer
x = 317,557,601.49
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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.