Finding the Fourth Proportional to 1,796,688,252.30, 2,695,032,378.45 and 435,079,548.30
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Solution
The fourth proportional to 1,796,688,252.30, 2,695,032,378.45 and 435,079,548.30 is: 652,619,322.45
Step by Step Solution
- Step 1: Write the proportion equation
1,796,688,252.30 : 2,695,032,378.45 = 435,079,548.30 : x - Step 2: Convert to fraction form
1,796,688,252.30/2,695,032,378.45 = 435,079,548.30/x - Step 3: Cross multiply
1,796,688,252.30x = 2,695,032,378.45 × 435,079,548.30 - Step 4: Simplify right side
1,796,688,252.30x = 1,172,553,469,869,900,544 - Step 5: Solve for x
x = 1,172,553,469,869,900,544/1,796,688,252.30 - Step 6: Final answer
x = 652,619,322.45
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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.