Finding the Fourth Proportional to 378,749,175.24, 567,621,518.30 and 194,509,209.36
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Solution
The fourth proportional to 378,749,175.24, 567,621,518.30 and 194,509,209.36 is: 291,505,882.94
Step by Step Solution
- Step 1: Write the proportion equation
378,749,175.24 : 567,621,518.30 = 194,509,209.36 : x - Step 2: Convert to fraction form
378,749,175.24/567,621,518.30 = 194,509,209.36/x - Step 3: Cross multiply
378,749,175.24x = 567,621,518.30 × 194,509,209.36 - Step 4: Simplify right side
378,749,175.24x = 110,407,612,740,255,776 - Step 5: Solve for x
x = 110,407,612,740,255,776/378,749,175.24 - Step 6: Final answer
x = 291,505,882.94
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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.