Finding the Fourth Proportional to 626,465,355.70, 939,698,033.55 and 263,668,299.70
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Solution
The fourth proportional to 626,465,355.70, 939,698,033.55 and 263,668,299.70 is: 395,502,449.55
Step by Step Solution
- Step 1: Write the proportion equation
626,465,355.70 : 939,698,033.55 = 263,668,299.70 : x - Step 2: Convert to fraction form
626,465,355.70/939,698,033.55 = 263,668,299.70/x - Step 3: Cross multiply
626,465,355.70x = 939,698,033.55 × 263,668,299.70 - Step 4: Simplify right side
626,465,355.70x = 247,768,582,737,562,016 - Step 5: Solve for x
x = 247,768,582,737,562,016/626,465,355.70 - Step 6: Final answer
x = 395,502,449.55
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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.