Finding the Fourth Proportional to 683,750,152.20, 943,576,043.88 and 370,484,119.12
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Solution
The fourth proportional to 683,750,152.20, 943,576,043.88 and 370,484,119.12 is: 511,268,536.20
Step by Step Solution
- Step 1: Write the proportion equation
683,750,152.20 : 943,576,043.88 = 370,484,119.12 : x - Step 2: Convert to fraction form
683,750,152.20/943,576,043.88 = 370,484,119.12/x - Step 3: Cross multiply
683,750,152.20x = 943,576,043.88 × 370,484,119.12 - Step 4: Simplify right side
683,750,152.20x = 349,579,939,439,616,256 - Step 5: Solve for x
x = 349,579,939,439,616,256/683,750,152.20 - Step 6: Final answer
x = 511,268,536.20
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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.