Finding the Fourth Proportional to 398,581,567.80, 597,872,351.70 and 183,590,719.80
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Solution
The fourth proportional to 398,581,567.80, 597,872,351.70 and 183,590,719.80 is: 275,386,079.70
Step by Step Solution
- Step 1: Write the proportion equation
398,581,567.80 : 597,872,351.70 = 183,590,719.80 : x - Step 2: Convert to fraction form
398,581,567.80/597,872,351.70 = 183,590,719.80/x - Step 3: Cross multiply
398,581,567.80x = 597,872,351.70 × 183,590,719.80 - Step 4: Simplify right side
398,581,567.80x = 109,763,815,397,121,776 - Step 5: Solve for x
x = 109,763,815,397,121,776/398,581,567.80 - Step 6: Final answer
x = 275,386,079.70
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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.