Finding the Fourth Proportional to 4,872,130,507.76, 6,723,360,064.24 and 2,644,414,866.32
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Solution
The fourth proportional to 4,872,130,507.76, 6,723,360,064.24 and 2,644,414,866.32 is: 3,649,194,798.28
Step by Step Solution
- Step 1: Write the proportion equation
4,872,130,507.76 : 6,723,360,064.24 = 2,644,414,866.32 : x - Step 2: Convert to fraction form
4,872,130,507.76/6,723,360,064.24 = 2,644,414,866.32/x - Step 3: Cross multiply
4,872,130,507.76x = 6,723,360,064.24 × 2,644,414,866.32 - Step 4: Simplify right side
4,872,130,507.76x = 17,779,353,305,458,219,008 - Step 5: Solve for x
x = 17,779,353,305,458,219,008/4,872,130,507.76 - Step 6: Final answer
x = 3,649,194,798.28
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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.