Finding the Fourth Proportional to 4,279,628,666.56, 6,420,972,128.34 and 2,602,326,698.44
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Solution
The fourth proportional to 4,279,628,666.56, 6,420,972,128.34 and 2,602,326,698.44 is: 3,904,419,869.43
Step by Step Solution
- Step 1: Write the proportion equation
4,279,628,666.56 : 6,420,972,128.34 = 2,602,326,698.44 : x - Step 2: Convert to fraction form
4,279,628,666.56/6,420,972,128.34 = 2,602,326,698.44/x - Step 3: Cross multiply
4,279,628,666.56x = 6,420,972,128.34 × 2,602,326,698.44 - Step 4: Simplify right side
4,279,628,666.56x = 16,709,467,199,518,291,968 - Step 5: Solve for x
x = 16,709,467,199,518,291,968/4,279,628,666.56 - Step 6: Final answer
x = 3,904,419,869.43
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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.