Finding the Fourth Proportional to 2,261,970,147.23, 3,121,547,043.79 and 1,244,812,598.24
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Solution
The fourth proportional to 2,261,970,147.23, 3,121,547,043.79 and 1,244,812,598.24 is: 1,717,856,927.01
Step by Step Solution
- Step 1: Write the proportion equation
2,261,970,147.23 : 3,121,547,043.79 = 1,244,812,598.24 : x - Step 2: Convert to fraction form
2,261,970,147.23/3,121,547,043.79 = 1,244,812,598.24/x - Step 3: Cross multiply
2,261,970,147.23x = 3,121,547,043.79 × 1,244,812,598.24 - Step 4: Simplify right side
2,261,970,147.23x = 3,885,741,086,120,852,480 - Step 5: Solve for x
x = 3,885,741,086,120,852,480/2,261,970,147.23 - Step 6: Final answer
x = 1,717,856,927.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.