Finding the Fourth Proportional to 1,960,749,405.66, 2,705,929,903.93 and 1,102,693,984.21
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Solution
The fourth proportional to 1,960,749,405.66, 2,705,929,903.93 and 1,102,693,984.21 is: 1,521,771,531.92
Step by Step Solution
- Step 1: Write the proportion equation
1,960,749,405.66 : 2,705,929,903.93 = 1,102,693,984.21 : x - Step 2: Convert to fraction form
1,960,749,405.66/2,705,929,903.93 = 1,102,693,984.21/x - Step 3: Cross multiply
1,960,749,405.66x = 2,705,929,903.93 × 1,102,693,984.21 - Step 4: Simplify right side
1,960,749,405.66x = 2,983,812,626,757,554,176 - Step 5: Solve for x
x = 2,983,812,626,757,554,176/1,960,749,405.66 - Step 6: Final answer
x = 1,521,771,531.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.