Finding the Fourth Proportional to 585,431,637.08, 807,896,969.73 and 337,912,794.50
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Solution
The fourth proportional to 585,431,637.08, 807,896,969.73 and 337,912,794.50 is: 466,320,412.87
Step by Step Solution
- Step 1: Write the proportion equation
585,431,637.08 : 807,896,969.73 = 337,912,794.50 : x - Step 2: Convert to fraction form
585,431,637.08/807,896,969.73 = 337,912,794.50/x - Step 3: Cross multiply
585,431,637.08x = 807,896,969.73 × 337,912,794.50 - Step 4: Simplify right side
585,431,637.08x = 272,998,722,705,506,720 - Step 5: Solve for x
x = 272,998,722,705,506,720/585,431,637.08 - Step 6: Final answer
x = 466,320,412.87
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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.