Finding the Fourth Proportional to 441,443,130.91, 609,219,037.49 and 243,204,584.68
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Solution
The fourth proportional to 441,443,130.91, 609,219,037.49 and 243,204,584.68 is: 335,637,486.72
Step by Step Solution
- Step 1: Write the proportion equation
441,443,130.91 : 609,219,037.49 = 243,204,584.68 : x - Step 2: Convert to fraction form
441,443,130.91/609,219,037.49 = 243,204,584.68/x - Step 3: Cross multiply
441,443,130.91x = 609,219,037.49 × 243,204,584.68 - Step 4: Simplify right side
441,443,130.91x = 148,164,862,987,642,688 - Step 5: Solve for x
x = 148,164,862,987,642,688/441,443,130.91 - Step 6: Final answer
x = 335,637,486.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.