Finding the Fourth Proportional to 1,350,471,219.84, 2,025,423,394.56 and 380,896,087.68
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Solution
The fourth proportional to 1,350,471,219.84, 2,025,423,394.56 and 380,896,087.68 is: 571,264,189.53
Step by Step Solution
- Step 1: Write the proportion equation
1,350,471,219.84 : 2,025,423,394.56 = 380,896,087.68 : x - Step 2: Convert to fraction form
1,350,471,219.84/2,025,423,394.56 = 380,896,087.68/x - Step 3: Cross multiply
1,350,471,219.84x = 2,025,423,394.56 × 380,896,087.68 - Step 4: Simplify right side
1,350,471,219.84x = 771,475,846,883,448,960 - Step 5: Solve for x
x = 771,475,846,883,448,960/1,350,471,219.84 - Step 6: Final answer
x = 571,264,189.53
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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.