Finding the Fourth Proportional to 340,704,431.10, 511,056,646.65 and 187,291,208.70
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Solution
The fourth proportional to 340,704,431.10, 511,056,646.65 and 187,291,208.70 is: 280,936,813.05
Step by Step Solution
- Step 1: Write the proportion equation
340,704,431.10 : 511,056,646.65 = 187,291,208.70 : x - Step 2: Convert to fraction form
340,704,431.10/511,056,646.65 = 187,291,208.70/x - Step 3: Cross multiply
340,704,431.10x = 511,056,646.65 × 187,291,208.70 - Step 4: Simplify right side
340,704,431.10x = 95,716,417,065,247,296 - Step 5: Solve for x
x = 95,716,417,065,247,296/340,704,431.10 - Step 6: Final answer
x = 280,936,813.05
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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.