Finding the Fourth Proportional to 725,626,757.45, 1,088,444,122.28 and 180,368,291.45
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Solution
The fourth proportional to 725,626,757.45, 1,088,444,122.28 and 180,368,291.45 is: 270,553,427.99
Step by Step Solution
- Step 1: Write the proportion equation
725,626,757.45 : 1,088,444,122.28 = 180,368,291.45 : x - Step 2: Convert to fraction form
725,626,757.45/1,088,444,122.28 = 180,368,291.45/x - Step 3: Cross multiply
725,626,757.45x = 1,088,444,122.28 × 180,368,291.45 - Step 4: Simplify right side
725,626,757.45x = 196,320,806,668,094,432 - Step 5: Solve for x
x = 196,320,806,668,094,432/725,626,757.45 - Step 6: Final answer
x = 270,553,427.99
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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.