Finding the Fourth Proportional to 445,820,303.70, 668,730,455.55 and 118,295,183.70
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Solution
The fourth proportional to 445,820,303.70, 668,730,455.55 and 118,295,183.70 is: 177,442,775.55
Step by Step Solution
- Step 1: Write the proportion equation
445,820,303.70 : 668,730,455.55 = 118,295,183.70 : x - Step 2: Convert to fraction form
445,820,303.70/668,730,455.55 = 118,295,183.70/x - Step 3: Cross multiply
445,820,303.70x = 668,730,455.55 × 118,295,183.70 - Step 4: Simplify right side
445,820,303.70x = 79,107,592,085,071,936 - Step 5: Solve for x
x = 79,107,592,085,071,936/445,820,303.70 - Step 6: Final answer
x = 177,442,775.55
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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.