Finding the Fourth Proportional to 2,834,363,872.80, 4,251,545,809.20 and 1,302,554,080.80
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Solution
The fourth proportional to 2,834,363,872.80, 4,251,545,809.20 and 1,302,554,080.80 is: 1,953,831,121.20
Step by Step Solution
- Step 1: Write the proportion equation
2,834,363,872.80 : 4,251,545,809.20 = 1,302,554,080.80 : x - Step 2: Convert to fraction form
2,834,363,872.80/4,251,545,809.20 = 1,302,554,080.80/x - Step 3: Cross multiply
2,834,363,872.80x = 4,251,545,809.20 × 1,302,554,080.80 - Step 4: Simplify right side
2,834,363,872.80x = 5,537,868,343,481,597,952 - Step 5: Solve for x
x = 5,537,868,343,481,597,952/2,834,363,872.80 - Step 6: Final answer
x = 1,953,831,121.20
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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.