Finding the Fourth Proportional to 8,172,351,863,531.40, 12,258,539,593,385 and 3,337,353,507,009
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Solution
The fourth proportional to 8,172,351,863,531.40, 12,258,539,593,385 and 3,337,353,507,009 is: 5,006,035,078,513.35
Step by Step Solution
- Step 1: Write the proportion equation
8,172,351,863,531.40 : 12,258,539,593,385 = 3,337,353,507,009 : x - Step 2: Convert to fraction form
8,172,351,863,531.40/12,258,539,593,385 = 3,337,353,507,009/x - Step 3: Cross multiply
8,172,351,863,531.40x = 12,258,539,593,385 × 3,337,353,507,009 - Step 4: Simplify right side
8,172,351,863,531.40x = 40,911,080,102,792,110,723,301,376 - Step 5: Solve for x
x = 40,911,080,102,792,110,723,301,376/8,172,351,863,531.40 - Step 6: Final answer
x = 5,006,035,078,513.35
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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.