Finding the Fourth Proportional to 1,419,739,919.24, 1,958,905,187.70 and 824,670,869
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Solution
The fourth proportional to 1,419,739,919.24, 1,958,905,187.70 and 824,670,869 is: 1,137,850,687.68
Step by Step Solution
- Step 1: Write the proportion equation
1,419,739,919.24 : 1,958,905,187.70 = 824,670,869 : x - Step 2: Convert to fraction form
1,419,739,919.24/1,958,905,187.70 = 824,670,869/x - Step 3: Cross multiply
1,419,739,919.24x = 1,958,905,187.70 × 824,670,869 - Step 4: Simplify right side
1,419,739,919.24x = 1,615,452,043,429,167,104 - Step 5: Solve for x
x = 1,615,452,043,429,167,104/1,419,739,919.24 - Step 6: Final answer
x = 1,137,850,687.68
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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.