Finding the Fourth Proportional to 422,756,687.40, 634,135,031.10 and 241,358,159.40
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Solution
The fourth proportional to 422,756,687.40, 634,135,031.10 and 241,358,159.40 is: 362,037,239.10
Step by Step Solution
- Step 1: Write the proportion equation
422,756,687.40 : 634,135,031.10 = 241,358,159.40 : x - Step 2: Convert to fraction form
422,756,687.40/634,135,031.10 = 241,358,159.40/x - Step 3: Cross multiply
422,756,687.40x = 634,135,031.10 × 241,358,159.40 - Step 4: Simplify right side
422,756,687.40x = 153,053,663,917,357,760 - Step 5: Solve for x
x = 153,053,663,917,357,760/422,756,687.40 - Step 6: Final answer
x = 362,037,239.10
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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.