Finding the Fourth Proportional to 562,626,491.36, 776,414,281.74 and 311,729,968.04
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Solution
The fourth proportional to 562,626,491.36, 776,414,281.74 and 311,729,968.04 is: 430,181,662.17
Step by Step Solution
- Step 1: Write the proportion equation
562,626,491.36 : 776,414,281.74 = 311,729,968.04 : x - Step 2: Convert to fraction form
562,626,491.36/776,414,281.74 = 311,729,968.04/x - Step 3: Cross multiply
562,626,491.36x = 776,414,281.74 × 311,729,968.04 - Step 4: Simplify right side
562,626,491.36x = 242,031,599,232,609,760 - Step 5: Solve for x
x = 242,031,599,232,609,760/562,626,491.36 - Step 6: Final answer
x = 430,181,662.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.