Finding the Fourth Proportional to 855,395,866.71, 1,283,633,553.69 and 364,108,351.95
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Solution
The fourth proportional to 855,395,866.71, 1,283,633,553.69 and 364,108,351.95 is: 546,392,279.80
Step by Step Solution
- Step 1: Write the proportion equation
855,395,866.71 : 1,283,633,553.69 = 364,108,351.95 : x - Step 2: Convert to fraction form
855,395,866.71/1,283,633,553.69 = 364,108,351.95/x - Step 3: Cross multiply
855,395,866.71x = 1,283,633,553.69 × 364,108,351.95 - Step 4: Simplify right side
855,395,866.71x = 467,381,697,741,787,776 - Step 5: Solve for x
x = 467,381,697,741,787,776/855,395,866.71 - Step 6: Final answer
x = 546,392,279.80
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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.