Finding the Fourth Proportional to 612,609,777.79, 919,357,319.49 and 243,932,257.93
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Solution
The fourth proportional to 612,609,777.79, 919,357,319.49 and 243,932,257.93 is: 366,074,644.77
Step by Step Solution
- Step 1: Write the proportion equation
612,609,777.79 : 919,357,319.49 = 243,932,257.93 : x - Step 2: Convert to fraction form
612,609,777.79/919,357,319.49 = 243,932,257.93/x - Step 3: Cross multiply
612,609,777.79x = 919,357,319.49 × 243,932,257.93 - Step 4: Simplify right side
612,609,777.79x = 224,260,906,787,668,096 - Step 5: Solve for x
x = 224,260,906,787,668,096/612,609,777.79 - Step 6: Final answer
x = 366,074,644.77
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1.5x scale
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.