Finding the Fourth Proportional to 8,178,792,484.87, 12,271,916,355.16 and 4,197,672,314.84
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Solution
The fourth proportional to 8,178,792,484.87, 12,271,916,355.16 and 4,197,672,314.84 is: 6,298,421,634.90
Step by Step Solution
- Step 1: Write the proportion equation
8,178,792,484.87 : 12,271,916,355.16 = 4,197,672,314.84 : x - Step 2: Convert to fraction form
8,178,792,484.87/12,271,916,355.16 = 4,197,672,314.84/x - Step 3: Cross multiply
8,178,792,484.87x = 12,271,916,355.16 × 4,197,672,314.84 - Step 4: Simplify right side
8,178,792,484.87x = 51,513,483,534,028,103,680 - Step 5: Solve for x
x = 51,513,483,534,028,103,680/8,178,792,484.87 - Step 6: Final answer
x = 6,298,421,634.90
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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.