Finding the Fourth Proportional to 5,226,722,424, 7,212,785,731.20 and 2,847,880,051.92
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Solution
The fourth proportional to 5,226,722,424, 7,212,785,731.20 and 2,847,880,051.92 is: 3,930,024,771.99
Step by Step Solution
- Step 1: Write the proportion equation
5,226,722,424 : 7,212,785,731.20 = 2,847,880,051.92 : x - Step 2: Convert to fraction form
5,226,722,424/7,212,785,731.20 = 2,847,880,051.92/x - Step 3: Cross multiply
5,226,722,424x = 7,212,785,731.20 × 2,847,880,051.92 - Step 4: Simplify right side
5,226,722,424x = 20,541,148,602,657,689,600 - Step 5: Solve for x
x = 20,541,148,602,657,689,600/5,226,722,424 - Step 6: Final answer
x = 3,930,024,771.99
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1.5x scale
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.