Finding the Fourth Proportional to 430,320,938.97, 593,840,154.60 and 244,681,971.06
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Solution
The fourth proportional to 430,320,938.97, 593,840,154.60 and 244,681,971.06 is: 337,659,561.42
Step by Step Solution
- Step 1: Write the proportion equation
430,320,938.97 : 593,840,154.60 = 244,681,971.06 : x - Step 2: Convert to fraction form
430,320,938.97/593,840,154.60 = 244,681,971.06/x - Step 3: Cross multiply
430,320,938.97x = 593,840,154.60 × 244,681,971.06 - Step 4: Simplify right side
430,320,938.97x = 145,301,979,522,103,136 - Step 5: Solve for x
x = 145,301,979,522,103,136/430,320,938.97 - Step 6: Final answer
x = 337,659,561.42
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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.