Finding the Fourth Proportional to 5,153,242,162.20, 7,732,130,724.90 and 2,391,449,573.40
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Solution
The fourth proportional to 5,153,242,162.20, 7,732,130,724.90 and 2,391,449,573.40 is: 3,588,226,623.46
Step by Step Solution
- Step 1: Write the proportion equation
5,153,242,162.20 : 7,732,130,724.90 = 2,391,449,573.40 : x - Step 2: Convert to fraction form
5,153,242,162.20/7,732,130,724.90 = 2,391,449,573.40/x - Step 3: Cross multiply
5,153,242,162.20x = 7,732,130,724.90 × 2,391,449,573.40 - Step 4: Simplify right side
5,153,242,162.20x = 18,491,000,723,535,138,816 - Step 5: Solve for x
x = 18,491,000,723,535,138,816/5,153,242,162.20 - Step 6: Final answer
x = 3,588,226,623.46
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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.