Finding the Fourth Proportional to 590,478,918.20, 885,718,377.30 and 344,583,135.80
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Solution
The fourth proportional to 590,478,918.20, 885,718,377.30 and 344,583,135.80 is: 516,874,703.70
Step by Step Solution
- Step 1: Write the proportion equation
590,478,918.20 : 885,718,377.30 = 344,583,135.80 : x - Step 2: Convert to fraction form
590,478,918.20/885,718,377.30 = 344,583,135.80/x - Step 3: Cross multiply
590,478,918.20x = 885,718,377.30 × 344,583,135.80 - Step 4: Simplify right side
590,478,918.20x = 305,203,615,885,721,536 - Step 5: Solve for x
x = 305,203,615,885,721,536/590,478,918.20 - Step 6: Final answer
x = 516,874,703.70
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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.