Finding the Fourth Proportional to 2,991,172,037.10, 4,486,758,055.65 and 2,481,564,101.10
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Solution
The fourth proportional to 2,991,172,037.10, 4,486,758,055.65 and 2,481,564,101.10 is: 3,722,346,151.65
Step by Step Solution
- Step 1: Write the proportion equation
2,991,172,037.10 : 4,486,758,055.65 = 2,481,564,101.10 : x - Step 2: Convert to fraction form
2,991,172,037.10/4,486,758,055.65 = 2,481,564,101.10/x - Step 3: Cross multiply
2,991,172,037.10x = 4,486,758,055.65 × 2,481,564,101.10 - Step 4: Simplify right side
2,991,172,037.10x = 11,134,177,721,222,275,072 - Step 5: Solve for x
x = 11,134,177,721,222,275,072/2,991,172,037.10 - Step 6: Final answer
x = 3,722,346,151.65
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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.