Finding the Fourth Proportional to 369,026,423.06, 509,257,379.49 and 201,773,476.70
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Solution
The fourth proportional to 369,026,423.06, 509,257,379.49 and 201,773,476.70 is: 278,447,898.51
Step by Step Solution
- Step 1: Write the proportion equation
369,026,423.06 : 509,257,379.49 = 201,773,476.70 : x - Step 2: Convert to fraction form
369,026,423.06/509,257,379.49 = 201,773,476.70/x - Step 3: Cross multiply
369,026,423.06x = 509,257,379.49 × 201,773,476.70 - Step 4: Simplify right side
369,026,423.06x = 102,754,631,994,828,576 - Step 5: Solve for x
x = 102,754,631,994,828,576/369,026,423.06 - Step 6: Final answer
x = 278,447,898.51
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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.