Finding the Fourth Proportional to 1,112,483,651.94, 1,535,305,036.05 and 735,485,237.82
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Solution
The fourth proportional to 1,112,483,651.94, 1,535,305,036.05 and 735,485,237.82 is: 1,015,020,928.71
Step by Step Solution
- Step 1: Write the proportion equation
1,112,483,651.94 : 1,535,305,036.05 = 735,485,237.82 : x - Step 2: Convert to fraction form
1,112,483,651.94/1,535,305,036.05 = 735,485,237.82/x - Step 3: Cross multiply
1,112,483,651.94x = 1,535,305,036.05 × 735,485,237.82 - Step 4: Simplify right side
1,112,483,651.94x = 1,129,194,189,565,478,016 - Step 5: Solve for x
x = 1,129,194,189,565,478,016/1,112,483,651.94 - Step 6: Final answer
x = 1,015,020,928.71
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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.