Finding the Fourth Proportional to 331,855,217.60, 497,357,673.60 and 295,292,076.80
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Solution
The fourth proportional to 331,855,217.60, 497,357,673.60 and 295,292,076.80 is: 442,559,804.88
Step by Step Solution
- Step 1: Write the proportion equation
331,855,217.60 : 497,357,673.60 = 295,292,076.80 : x - Step 2: Convert to fraction form
331,855,217.60/497,357,673.60 = 295,292,076.80/x - Step 3: Cross multiply
331,855,217.60x = 497,357,673.60 × 295,292,076.80 - Step 4: Simplify right side
331,855,217.60x = 146,865,780,349,760,544 - Step 5: Solve for x
x = 146,865,780,349,760,544/331,855,217.60 - Step 6: Final answer
x = 442,559,804.88
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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.