Finding the Fourth Proportional to 1,535,052,377.25, 2,118,372,283.94 and 830,204,358.66
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Solution
The fourth proportional to 1,535,052,377.25, 2,118,372,283.94 and 830,204,358.66 is: 1,145,682,016.75
Step by Step Solution
- Step 1: Write the proportion equation
1,535,052,377.25 : 2,118,372,283.94 = 830,204,358.66 : x - Step 2: Convert to fraction form
1,535,052,377.25/2,118,372,283.94 = 830,204,358.66/x - Step 3: Cross multiply
1,535,052,377.25x = 2,118,372,283.94 × 830,204,358.66 - Step 4: Simplify right side
1,535,052,377.25x = 1,758,681,903,387,375,872 - Step 5: Solve for x
x = 1,758,681,903,387,375,872/1,535,052,377.25 - Step 6: Final answer
x = 1,145,682,016.75
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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.