Finding the Fourth Proportional to 1,173,235,587.20, 1,759,853,380.80 and 528,263,043.20
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Solution
The fourth proportional to 1,173,235,587.20, 1,759,853,380.80 and 528,263,043.20 is: 792,394,564.80
Step by Step Solution
- Step 1: Write the proportion equation
1,173,235,587.20 : 1,759,853,380.80 = 528,263,043.20 : x - Step 2: Convert to fraction form
1,173,235,587.20/1,759,853,380.80 = 528,263,043.20/x - Step 3: Cross multiply
1,173,235,587.20x = 1,759,853,380.80 × 528,263,043.20 - Step 4: Simplify right side
1,173,235,587.20x = 929,665,502,527,216,384 - Step 5: Solve for x
x = 929,665,502,527,216,384/1,173,235,587.20 - Step 6: Final answer
x = 792,394,564.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.