Finding the Fourth Proportional to 279,907,711.24, 386,349,470.82 and 162,470,876.08
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Solution
The fourth proportional to 279,907,711.24, 386,349,470.82 and 162,470,876.08 is: 224,254,404.14
Step by Step Solution
- Step 1: Write the proportion equation
279,907,711.24 : 386,349,470.82 = 162,470,876.08 : x - Step 2: Convert to fraction form
279,907,711.24/386,349,470.82 = 162,470,876.08/x - Step 3: Cross multiply
279,907,711.24x = 386,349,470.82 × 162,470,876.08 - Step 4: Simplify right side
279,907,711.24x = 62,770,536,997,169,800 - Step 5: Solve for x
x = 62,770,536,997,169,800/279,907,711.24 - Step 6: Final answer
x = 224,254,404.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.