Finding the Fourth Proportional to 4,025,583,822.12, 5,555,239,350.11 and 2,355,115,955.64
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Solution
The fourth proportional to 4,025,583,822.12, 5,555,239,350.11 and 2,355,115,955.64 is: 3,250,021,216.54
Step by Step Solution
- Step 1: Write the proportion equation
4,025,583,822.12 : 5,555,239,350.11 = 2,355,115,955.64 : x - Step 2: Convert to fraction form
4,025,583,822.12/5,555,239,350.11 = 2,355,115,955.64/x - Step 3: Cross multiply
4,025,583,822.12x = 5,555,239,350.11 × 2,355,115,955.64 - Step 4: Simplify right side
4,025,583,822.12x = 13,083,232,830,843,244,544 - Step 5: Solve for x
x = 13,083,232,830,843,244,544/4,025,583,822.12 - Step 6: Final answer
x = 3,250,021,216.54
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Double scale
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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.