Finding the Fourth Proportional to 264,437,919.10, 396,656,878.65 and 156,942,495.10
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Solution
The fourth proportional to 264,437,919.10, 396,656,878.65 and 156,942,495.10 is: 235,413,742.65
Step by Step Solution
- Step 1: Write the proportion equation
264,437,919.10 : 396,656,878.65 = 156,942,495.10 : x - Step 2: Convert to fraction form
264,437,919.10/396,656,878.65 = 156,942,495.10/x - Step 3: Cross multiply
264,437,919.10x = 396,656,878.65 × 156,942,495.10 - Step 4: Simplify right side
264,437,919.10x = 62,252,320,233,908,912 - Step 5: Solve for x
x = 62,252,320,233,908,912/264,437,919.10 - Step 6: Final answer
x = 235,413,742.65
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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.