Finding the Fourth Proportional to 1,468,196,021.40, 2,202,294,032.10 and 887,720,731.80
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Solution
The fourth proportional to 1,468,196,021.40, 2,202,294,032.10 and 887,720,731.80 is: 1,331,581,097.70
Step by Step Solution
- Step 1: Write the proportion equation
1,468,196,021.40 : 2,202,294,032.10 = 887,720,731.80 : x - Step 2: Convert to fraction form
1,468,196,021.40/2,202,294,032.10 = 887,720,731.80/x - Step 3: Cross multiply
1,468,196,021.40x = 2,202,294,032.10 × 887,720,731.80 - Step 4: Simplify right side
1,468,196,021.40x = 1,955,022,069,814,584,576 - Step 5: Solve for x
x = 1,955,022,069,814,584,576/1,468,196,021.40 - Step 6: Final answer
x = 1,331,581,097.70
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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.