Finding the Fourth Proportional to 398,779,739.80, 598,169,609.70 and 183,788,891.80
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Solution
The fourth proportional to 398,779,739.80, 598,169,609.70 and 183,788,891.80 is: 275,683,337.70
Step by Step Solution
- Step 1: Write the proportion equation
398,779,739.80 : 598,169,609.70 = 183,788,891.80 : x - Step 2: Convert to fraction form
398,779,739.80/598,169,609.70 = 183,788,891.80/x - Step 3: Cross multiply
398,779,739.80x = 598,169,609.70 × 183,788,891.80 - Step 4: Simplify right side
398,779,739.80x = 109,936,929,675,201,552 - Step 5: Solve for x
x = 109,936,929,675,201,552/398,779,739.80 - Step 6: Final answer
x = 275,683,337.70
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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.