Finding the Fourth Proportional to 949,936,078.97, 1,423,899,471.98 and 351,289,253.09
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Solution
The fourth proportional to 949,936,078.97, 1,423,899,471.98 and 351,289,253.09 is: 526,562,358.30
Step by Step Solution
- Step 1: Write the proportion equation
949,936,078.97 : 1,423,899,471.98 = 351,289,253.09 : x - Step 2: Convert to fraction form
949,936,078.97/1,423,899,471.98 = 351,289,253.09/x - Step 3: Cross multiply
949,936,078.97x = 1,423,899,471.98 × 351,289,253.09 - Step 4: Simplify right side
949,936,078.97x = 500,200,581,978,223,552 - Step 5: Solve for x
x = 500,200,581,978,223,552/949,936,078.97 - Step 6: Final answer
x = 526,562,358.30
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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.