Finding the Fourth Proportional to 766,582,112.73, 1,149,873,037.88 and 242,319,239.99
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Solution
The fourth proportional to 766,582,112.73, 1,149,873,037.88 and 242,319,239.99 is: 363,478,818.50
Step by Step Solution
- Step 1: Write the proportion equation
766,582,112.73 : 1,149,873,037.88 = 242,319,239.99 : x - Step 2: Convert to fraction form
766,582,112.73/1,149,873,037.88 = 242,319,239.99/x - Step 3: Cross multiply
766,582,112.73x = 1,149,873,037.88 × 242,319,239.99 - Step 4: Simplify right side
766,582,112.73x = 278,636,360,622,806,400 - Step 5: Solve for x
x = 278,636,360,622,806,400/766,582,112.73 - Step 6: Final answer
x = 363,478,818.50
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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.