Finding the Fourth Proportional to 4,227,278,130.30, 6,340,917,195.45 and 1,465,989,426.30
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Solution
The fourth proportional to 4,227,278,130.30, 6,340,917,195.45 and 1,465,989,426.30 is: 2,198,984,139.45
Step by Step Solution
- Step 1: Write the proportion equation
4,227,278,130.30 : 6,340,917,195.45 = 1,465,989,426.30 : x - Step 2: Convert to fraction form
4,227,278,130.30/6,340,917,195.45 = 1,465,989,426.30/x - Step 3: Cross multiply
4,227,278,130.30x = 6,340,917,195.45 × 1,465,989,426.30 - Step 4: Simplify right side
4,227,278,130.30x = 9,295,717,561,573,550,080 - Step 5: Solve for x
x = 9,295,717,561,573,550,080/4,227,278,130.30 - Step 6: Final answer
x = 2,198,984,139.45
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Double scale
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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.