Finding the Fourth Proportional to 1,568,438,250.60, 2,164,497,907.62 and 854,001,511.75
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Solution
The fourth proportional to 1,568,438,250.60, 2,164,497,907.62 and 854,001,511.75 is: 1,178,551,010.59
Step by Step Solution
- Step 1: Write the proportion equation
1,568,438,250.60 : 2,164,497,907.62 = 854,001,511.75 : x - Step 2: Convert to fraction form
1,568,438,250.60/2,164,497,907.62 = 854,001,511.75/x - Step 3: Cross multiply
1,568,438,250.60x = 2,164,497,907.62 × 854,001,511.75 - Step 4: Simplify right side
1,568,438,250.60x = 1,848,484,485,287,191,808 - Step 5: Solve for x
x = 1,848,484,485,287,191,808/1,568,438,250.60 - Step 6: Final answer
x = 1,178,551,010.59
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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.