Finding the Fourth Proportional to 470,383,947.69, 705,424,866.63 and 155,179,121.68
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Solution
The fourth proportional to 470,383,947.69, 705,424,866.63 and 155,179,121.68 is: 232,718,849.68
Step by Step Solution
- Step 1: Write the proportion equation
470,383,947.69 : 705,424,866.63 = 155,179,121.68 : x - Step 2: Convert to fraction form
470,383,947.69/705,424,866.63 = 155,179,121.68/x - Step 3: Cross multiply
470,383,947.69x = 705,424,866.63 × 155,179,121.68 - Step 4: Simplify right side
470,383,947.69x = 109,467,211,214,874,544 - Step 5: Solve for x
x = 109,467,211,214,874,544/470,383,947.69 - Step 6: Final answer
x = 232,718,849.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.