Finding the Fourth Proportional to 351,883,291.10, 528,076,879.05 and 147,558,004.70
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Solution
The fourth proportional to 351,883,291.10, 528,076,879.05 and 147,558,004.70 is: 221,442,656.05
Step by Step Solution
- Step 1: Write the proportion equation
351,883,291.10 : 528,076,879.05 = 147,558,004.70 : x - Step 2: Convert to fraction form
351,883,291.10/528,076,879.05 = 147,558,004.70/x - Step 3: Cross multiply
351,883,291.10x = 528,076,879.05 × 147,558,004.70 - Step 4: Simplify right side
351,883,291.10x = 77,921,970,600,821,232 - Step 5: Solve for x
x = 77,921,970,600,821,232/351,883,291.10 - Step 6: Final answer
x = 221,442,656.05
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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.