Finding the Fourth Proportional to 424,791,101.42, 586,217,793.17 and 243,767,582.70
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Solution
The fourth proportional to 424,791,101.42, 586,217,793.17 and 243,767,582.70 is: 336,402,749.25
Step by Step Solution
- Step 1: Write the proportion equation
424,791,101.42 : 586,217,793.17 = 243,767,582.70 : x - Step 2: Convert to fraction form
424,791,101.42/586,217,793.17 = 243,767,582.70/x - Step 3: Cross multiply
424,791,101.42x = 586,217,793.17 × 243,767,582.70 - Step 4: Simplify right side
424,791,101.42x = 142,900,894,375,190,576 - Step 5: Solve for x
x = 142,900,894,375,190,576/424,791,101.42 - Step 6: Final answer
x = 336,402,749.25
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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.