Finding the Fourth Proportional to 4,694,587,487.20, 7,041,881,230.80 and 2,517,805,151.20
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Solution
The fourth proportional to 4,694,587,487.20, 7,041,881,230.80 and 2,517,805,151.20 is: 3,776,707,726.80
Step by Step Solution
- Step 1: Write the proportion equation
4,694,587,487.20 : 7,041,881,230.80 = 2,517,805,151.20 : x - Step 2: Convert to fraction form
4,694,587,487.20/7,041,881,230.80 = 2,517,805,151.20/x - Step 3: Cross multiply
4,694,587,487.20x = 7,041,881,230.80 × 2,517,805,151.20 - Step 4: Simplify right side
4,694,587,487.20x = 17,730,084,837,046,835,200 - Step 5: Solve for x
x = 17,730,084,837,046,835,200/4,694,587,487.20 - Step 6: Final answer
x = 3,776,707,726.80
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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.