Finding the Fourth Proportional to 8,168,563,541.34, 12,256,409,276.84 and 2,860,485,476.18
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Solution
The fourth proportional to 8,168,563,541.34, 12,256,409,276.84 and 2,860,485,476.18 is: 4,291,976,251.28
Step by Step Solution
- Step 1: Write the proportion equation
8,168,563,541.34 : 12,256,409,276.84 = 2,860,485,476.18 : x - Step 2: Convert to fraction form
8,168,563,541.34/12,256,409,276.84 = 2,860,485,476.18/x - Step 3: Cross multiply
8,168,563,541.34x = 12,256,409,276.84 × 2,860,485,476.18 - Step 4: Simplify right side
8,168,563,541.34x = 35,059,280,726,518,636,544 - Step 5: Solve for x
x = 35,059,280,726,518,636,544/8,168,563,541.34 - Step 6: Final answer
x = 4,291,976,251.28
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1.5x scale
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.