Finding the Fourth Proportional to 750,294,344.20, 1,035,412,274.38 and 415,772,454.42
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Solution
The fourth proportional to 750,294,344.20, 1,035,412,274.38 and 415,772,454.42 is: 573,769,355.96
Step by Step Solution
- Step 1: Write the proportion equation
750,294,344.20 : 1,035,412,274.38 = 415,772,454.42 : x - Step 2: Convert to fraction form
750,294,344.20/1,035,412,274.38 = 415,772,454.42/x - Step 3: Cross multiply
750,294,344.20x = 1,035,412,274.38 × 415,772,454.42 - Step 4: Simplify right side
750,294,344.20x = 430,495,902,655,567,104 - Step 5: Solve for x
x = 430,495,902,655,567,104/750,294,344.20 - Step 6: Final answer
x = 573,769,355.96
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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.