Finding the Fourth Proportional to 1,021,070,446.88, 1,532,051,165.96 and 357,560,688.80
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Solution
The fourth proportional to 1,021,070,446.88, 1,532,051,165.96 and 357,560,688.80 is: 536,497,037.84
Step by Step Solution
- Step 1: Write the proportion equation
1,021,070,446.88 : 1,532,051,165.96 = 357,560,688.80 : x - Step 2: Convert to fraction form
1,021,070,446.88/1,532,051,165.96 = 357,560,688.80/x - Step 3: Cross multiply
1,021,070,446.88x = 1,532,051,165.96 × 357,560,688.80 - Step 4: Simplify right side
1,021,070,446.88x = 547,801,270,177,500,736 - Step 5: Solve for x
x = 547,801,270,177,500,736/1,021,070,446.88 - Step 6: Final answer
x = 536,497,037.84
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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.