Finding the Fourth Proportional to 440,949,964.26, 608,506,121.79 and 242,707,220.58
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Solution
The fourth proportional to 440,949,964.26, 608,506,121.79 and 242,707,220.58 is: 334,933,306.49
Step by Step Solution
- Step 1: Write the proportion equation
440,949,964.26 : 608,506,121.79 = 242,707,220.58 : x - Step 2: Convert to fraction form
440,949,964.26/608,506,121.79 = 242,707,220.58/x - Step 3: Cross multiply
440,949,964.26x = 608,506,121.79 × 242,707,220.58 - Step 4: Simplify right side
440,949,964.26x = 147,688,829,525,873,600 - Step 5: Solve for x
x = 147,688,829,525,873,600/440,949,964.26 - Step 6: Final answer
x = 334,933,306.49
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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.