Finding the Fourth Proportional to 734,877,632.70, 1,102,316,449.05 and 250,203,440.70
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Solution
The fourth proportional to 734,877,632.70, 1,102,316,449.05 and 250,203,440.70 is: 375,305,161.05
Step by Step Solution
- Step 1: Write the proportion equation
734,877,632.70 : 1,102,316,449.05 = 250,203,440.70 : x - Step 2: Convert to fraction form
734,877,632.70/1,102,316,449.05 = 250,203,440.70/x - Step 3: Cross multiply
734,877,632.70x = 1,102,316,449.05 × 250,203,440.70 - Step 4: Simplify right side
734,877,632.70x = 275,803,368,292,516,224 - Step 5: Solve for x
x = 275,803,368,292,516,224/734,877,632.70 - Step 6: Final answer
x = 375,305,161.05
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Double scale
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Similar ratio
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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.