Finding the Fourth Proportional to 3,973,977,201.80, 5,960,965,802.70 and 3,946,767,422.60
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Solution
The fourth proportional to 3,973,977,201.80, 5,960,965,802.70 and 3,946,767,422.60 is: 5,920,151,133.90
Step by Step Solution
- Step 1: Write the proportion equation
3,973,977,201.80 : 5,960,965,802.70 = 3,946,767,422.60 : x - Step 2: Convert to fraction form
3,973,977,201.80/5,960,965,802.70 = 3,946,767,422.60/x - Step 3: Cross multiply
3,973,977,201.80x = 5,960,965,802.70 × 3,946,767,422.60 - Step 4: Simplify right side
3,973,977,201.80x = 23,526,545,637,329,018,880 - Step 5: Solve for x
x = 23,526,545,637,329,018,880/3,973,977,201.80 - Step 6: Final answer
x = 5,920,151,133.90
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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.