Finding the Fourth Proportional to 734,094,467.20, 1,101,141,700.80 and 423,732,923.20
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Solution
The fourth proportional to 734,094,467.20, 1,101,141,700.80 and 423,732,923.20 is: 635,599,384.80
Step by Step Solution
- Step 1: Write the proportion equation
734,094,467.20 : 1,101,141,700.80 = 423,732,923.20 : x - Step 2: Convert to fraction form
734,094,467.20/1,101,141,700.80 = 423,732,923.20/x - Step 3: Cross multiply
734,094,467.20x = 1,101,141,700.80 × 423,732,923.20 - Step 4: Simplify right side
734,094,467.20x = 466,589,991,737,403,776 - Step 5: Solve for x
x = 466,589,991,737,403,776/734,094,467.20 - Step 6: Final answer
x = 635,599,384.80
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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.