Finding the Fourth Proportional to 1,535,052,377.22, 2,118,372,283.91 and 830,204,358.63
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Solution
The fourth proportional to 1,535,052,377.22, 2,118,372,283.91 and 830,204,358.63 is: 1,145,682,016.72
Step by Step Solution
- Step 1: Write the proportion equation
1,535,052,377.22 : 2,118,372,283.91 = 830,204,358.63 : x - Step 2: Convert to fraction form
1,535,052,377.22/2,118,372,283.91 = 830,204,358.63/x - Step 3: Cross multiply
1,535,052,377.22x = 2,118,372,283.91 × 830,204,358.63 - Step 4: Simplify right side
1,535,052,377.22x = 1,758,681,903,297,305,856 - Step 5: Solve for x
x = 1,758,681,903,297,305,856/1,535,052,377.22 - Step 6: Final answer
x = 1,145,682,016.72
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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.