Finding the Fourth Proportional to 436,752,406.70, 655,128,610.05 and 403,496,009.90
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Solution
The fourth proportional to 436,752,406.70, 655,128,610.05 and 403,496,009.90 is: 605,244,014.85
Step by Step Solution
- Step 1: Write the proportion equation
436,752,406.70 : 655,128,610.05 = 403,496,009.90 : x - Step 2: Convert to fraction form
436,752,406.70/655,128,610.05 = 403,496,009.90/x - Step 3: Cross multiply
436,752,406.70x = 655,128,610.05 × 403,496,009.90 - Step 4: Simplify right side
436,752,406.70x = 264,341,780,126,508,000 - Step 5: Solve for x
x = 264,341,780,126,508,000/436,752,406.70 - Step 6: Final answer
x = 605,244,014.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.