Finding the Fourth Proportional to 399,315,164.24, 598,984,948.60 and 136,996,035.48
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Solution
The fourth proportional to 399,315,164.24, 598,984,948.60 and 136,996,035.48 is: 205,498,239.53
Step by Step Solution
- Step 1: Write the proportion equation
399,315,164.24 : 598,984,948.60 = 136,996,035.48 : x - Step 2: Convert to fraction form
399,315,164.24/598,984,948.60 = 136,996,035.48/x - Step 3: Cross multiply
399,315,164.24x = 598,984,948.60 × 136,996,035.48 - Step 4: Simplify right side
399,315,164.24x = 82,058,563,270,391,568 - Step 5: Solve for x
x = 82,058,563,270,391,568/399,315,164.24 - Step 6: Final answer
x = 205,498,239.53
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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.