Finding the Fourth Proportional to 6,440,072,451.36, 9,660,323,911.56 and 1,781,556,304.74
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Solution
The fourth proportional to 6,440,072,451.36, 9,660,323,911.56 and 1,781,556,304.74 is: 2,672,393,998.74
Step by Step Solution
- Step 1: Write the proportion equation
6,440,072,451.36 : 9,660,323,911.56 = 1,781,556,304.74 : x - Step 2: Convert to fraction form
6,440,072,451.36/9,660,323,911.56 = 1,781,556,304.74/x - Step 3: Cross multiply
6,440,072,451.36x = 9,660,323,911.56 × 1,781,556,304.74 - Step 4: Simplify right side
6,440,072,451.36x = 17,210,410,970,470,295,552 - Step 5: Solve for x
x = 17,210,410,970,470,295,552/6,440,072,451.36 - Step 6: Final answer
x = 2,672,393,998.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.