Finding the Fourth Proportional to 6,642,389,337.60, 9,965,095,660.80 and 3,880,596,748.80
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Solution
The fourth proportional to 6,642,389,337.60, 9,965,095,660.80 and 3,880,596,748.80 is: 5,821,778,257.39
Step by Step Solution
- Step 1: Write the proportion equation
6,642,389,337.60 : 9,965,095,660.80 = 3,880,596,748.80 : x - Step 2: Convert to fraction form
6,642,389,337.60/9,965,095,660.80 = 3,880,596,748.80/x - Step 3: Cross multiply
6,642,389,337.60x = 9,965,095,660.80 × 3,880,596,748.80 - Step 4: Simplify right side
6,642,389,337.60x = 38,670,517,822,781,464,576 - Step 5: Solve for x
x = 38,670,517,822,781,464,576/6,642,389,337.60 - Step 6: Final answer
x = 5,821,778,257.39
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1.5x scale
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.