Finding the Fourth Proportional to 2,835,290,757.39, 3,912,701,954.36 and 1,565,132,478.99
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Solution
The fourth proportional to 2,835,290,757.39, 3,912,701,954.36 and 1,565,132,478.99 is: 2,159,883,212.48
Step by Step Solution
- Step 1: Write the proportion equation
2,835,290,757.39 : 3,912,701,954.36 = 1,565,132,478.99 : x - Step 2: Convert to fraction form
2,835,290,757.39/3,912,701,954.36 = 1,565,132,478.99/x - Step 3: Cross multiply
2,835,290,757.39x = 3,912,701,954.36 × 1,565,132,478.99 - Step 4: Simplify right side
2,835,290,757.39x = 6,123,896,909,376,485,376 - Step 5: Solve for x
x = 6,123,896,909,376,485,376/2,835,290,757.39 - Step 6: Final answer
x = 2,159,883,212.48
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1.5x scale
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.