Finding the Fourth Proportional to 619,239,174.74, 854,550,201.99 and 340,780,698.27
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Solution
The fourth proportional to 619,239,174.74, 854,550,201.99 and 340,780,698.27 is: 470,277,441.12
Step by Step Solution
- Step 1: Write the proportion equation
619,239,174.74 : 854,550,201.99 = 340,780,698.27 : x - Step 2: Convert to fraction form
619,239,174.74/854,550,201.99 = 340,780,698.27/x - Step 3: Cross multiply
619,239,174.74x = 854,550,201.99 × 340,780,698.27 - Step 4: Simplify right side
619,239,174.74x = 291,214,214,540,921,728 - Step 5: Solve for x
x = 291,214,214,540,921,728/619,239,174.74 - Step 6: Final answer
x = 470,277,441.12
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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.