Finding the Fourth Proportional to 1,915,190,584.20, 2,642,961,812.04 and 1,035,124,288.20
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Solution
The fourth proportional to 1,915,190,584.20, 2,642,961,812.04 and 1,035,124,288.20 is: 1,428,470,872.30
Step by Step Solution
- Step 1: Write the proportion equation
1,915,190,584.20 : 2,642,961,812.04 = 1,035,124,288.20 : x - Step 2: Convert to fraction form
1,915,190,584.20/2,642,961,812.04 = 1,035,124,288.20/x - Step 3: Cross multiply
1,915,190,584.20x = 2,642,961,812.04 × 1,035,124,288.20 - Step 4: Simplify right side
1,915,190,584.20x = 2,735,793,964,427,687,424 - Step 5: Solve for x
x = 2,735,793,964,427,687,424/1,915,190,584.20 - Step 6: Final answer
x = 1,428,470,872.30
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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.