Finding the Fourth Proportional to 1,960,749,395.97, 2,705,929,890.56 and 1,102,693,974.53
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Solution
The fourth proportional to 1,960,749,395.97, 2,705,929,890.56 and 1,102,693,974.53 is: 1,521,771,518.56
Step by Step Solution
- Step 1: Write the proportion equation
1,960,749,395.97 : 2,705,929,890.56 = 1,102,693,974.53 : x - Step 2: Convert to fraction form
1,960,749,395.97/2,705,929,890.56 = 1,102,693,974.53/x - Step 3: Cross multiply
1,960,749,395.97x = 2,705,929,890.56 × 1,102,693,974.53 - Step 4: Simplify right side
1,960,749,395.97x = 2,983,812,585,806,281,728 - Step 5: Solve for x
x = 2,983,812,585,806,281,728/1,960,749,395.97 - Step 6: Final answer
x = 1,521,771,518.56
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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.