Finding the Fourth Proportional to 836,725,603.20, 1,255,088,404.80 and 785,707,267.20
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Solution
The fourth proportional to 836,725,603.20, 1,255,088,404.80 and 785,707,267.20 is: 1,178,560,900.80
Step by Step Solution
- Step 1: Write the proportion equation
836,725,603.20 : 1,255,088,404.80 = 785,707,267.20 : x - Step 2: Convert to fraction form
836,725,603.20/1,255,088,404.80 = 785,707,267.20/x - Step 3: Cross multiply
836,725,603.20x = 1,255,088,404.80 × 785,707,267.20 - Step 4: Simplify right side
836,725,603.20x = 986,132,080,629,815,424 - Step 5: Solve for x
x = 986,132,080,629,815,424/836,725,603.20 - Step 6: Final answer
x = 1,178,560,900.80
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1.5x scale
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.