Finding the Fourth Proportional to 1,984,170,409.21, 2,976,263,637.83 and 803,773,210.99
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Solution
The fourth proportional to 1,984,170,409.21, 2,976,263,637.83 and 803,773,210.99 is: 1,205,663,066.96
Step by Step Solution
- Step 1: Write the proportion equation
1,984,170,409.21 : 2,976,263,637.83 = 803,773,210.99 : x - Step 2: Convert to fraction form
1,984,170,409.21/2,976,263,637.83 = 803,773,210.99/x - Step 3: Cross multiply
1,984,170,409.21x = 2,976,263,637.83 × 803,773,210.99 - Step 4: Simplify right side
1,984,170,409.21x = 2,392,240,980,931,397,632 - Step 5: Solve for x
x = 2,392,240,980,931,397,632/1,984,170,409.21 - Step 6: Final answer
x = 1,205,663,066.96
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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.