Finding the Fourth Proportional to 420,589,034.70, 630,883,552.05 and 239,190,506.70
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Solution
The fourth proportional to 420,589,034.70, 630,883,552.05 and 239,190,506.70 is: 358,785,760.05
Step by Step Solution
- Step 1: Write the proportion equation
420,589,034.70 : 630,883,552.05 = 239,190,506.70 : x - Step 2: Convert to fraction form
420,589,034.70/630,883,552.05 = 239,190,506.70/x - Step 3: Cross multiply
420,589,034.70x = 630,883,552.05 × 239,190,506.70 - Step 4: Simplify right side
420,589,034.70x = 150,901,356,483,535,296 - Step 5: Solve for x
x = 150,901,356,483,535,296/420,589,034.70 - Step 6: Final answer
x = 358,785,760.05
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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.