Finding the Fourth Proportional to 7,671,320,164.80, 11,506,980,247.20 and 2,764,154,059.20
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Solution
The fourth proportional to 7,671,320,164.80, 11,506,980,247.20 and 2,764,154,059.20 is: 4,146,231,088.80
Step by Step Solution
- Step 1: Write the proportion equation
7,671,320,164.80 : 11,506,980,247.20 = 2,764,154,059.20 : x - Step 2: Convert to fraction form
7,671,320,164.80/11,506,980,247.20 = 2,764,154,059.20/x - Step 3: Cross multiply
7,671,320,164.80x = 11,506,980,247.20 × 2,764,154,059.20 - Step 4: Simplify right side
7,671,320,164.80x = 31,807,066,159,432,097,792 - Step 5: Solve for x
x = 31,807,066,159,432,097,792/7,671,320,164.80 - Step 6: Final answer
x = 4,146,231,088.80
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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.