Finding the Fourth Proportional to 330,966,025.80, 496,449,038.70 and 216,174,769.80
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Solution
The fourth proportional to 330,966,025.80, 496,449,038.70 and 216,174,769.80 is: 324,262,154.70
Step by Step Solution
- Step 1: Write the proportion equation
330,966,025.80 : 496,449,038.70 = 216,174,769.80 : x - Step 2: Convert to fraction form
330,966,025.80/496,449,038.70 = 216,174,769.80/x - Step 3: Cross multiply
330,966,025.80x = 496,449,038.70 × 216,174,769.80 - Step 4: Simplify right side
330,966,025.80x = 107,319,756,658,403,792 - Step 5: Solve for x
x = 107,319,756,658,403,792/330,966,025.80 - Step 6: Final answer
x = 324,262,154.70
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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.