Finding the Fourth Proportional to 407,831,272.02, 612,174,794.99 and 361,441,565.82
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Solution
The fourth proportional to 407,831,272.02, 612,174,794.99 and 361,441,565.82 is: 542,541,564.70
Step by Step Solution
- Step 1: Write the proportion equation
407,831,272.02 : 612,174,794.99 = 361,441,565.82 : x - Step 2: Convert to fraction form
407,831,272.02/612,174,794.99 = 361,441,565.82/x - Step 3: Cross multiply
407,831,272.02x = 612,174,794.99 × 361,441,565.82 - Step 4: Simplify right side
407,831,272.02x = 221,265,416,454,915,872 - Step 5: Solve for x
x = 221,265,416,454,915,872/407,831,272.02 - Step 6: Final answer
x = 542,541,564.70
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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.