Finding the Fourth Proportional to 423,610,772.91, 584,474,299.47 and 247,297,452.72
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Solution
The fourth proportional to 423,610,772.91, 584,474,299.47 and 247,297,452.72 is: 341,207,104.92
Step by Step Solution
- Step 1: Write the proportion equation
423,610,772.91 : 584,474,299.47 = 247,297,452.72 : x - Step 2: Convert to fraction form
423,610,772.91/584,474,299.47 = 247,297,452.72/x - Step 3: Cross multiply
423,610,772.91x = 584,474,299.47 × 247,297,452.72 - Step 4: Simplify right side
423,610,772.91x = 144,539,005,439,237,440 - Step 5: Solve for x
x = 144,539,005,439,237,440/423,610,772.91 - Step 6: Final answer
x = 341,207,104.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.