Finding the Fourth Proportional to 1,422,828,091.26, 2,134,349,775.36 and 440,354,000.16
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Solution
The fourth proportional to 1,422,828,091.26, 2,134,349,775.36 and 440,354,000.16 is: 660,564,313.49
Step by Step Solution
- Step 1: Write the proportion equation
1,422,828,091.26 : 2,134,349,775.36 = 440,354,000.16 : x - Step 2: Convert to fraction form
1,422,828,091.26/2,134,349,775.36 = 440,354,000.16/x - Step 3: Cross multiply
1,422,828,091.26x = 2,134,349,775.36 × 440,354,000.16 - Step 4: Simplify right side
1,422,828,091.26x = 939,869,461,320,373,376 - Step 5: Solve for x
x = 939,869,461,320,373,376/1,422,828,091.26 - Step 6: Final answer
x = 660,564,313.49
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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.