Finding the Fourth Proportional to 1,492,996,876.70, 2,239,495,315.05 and 1,317,644,966.30
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Solution
The fourth proportional to 1,492,996,876.70, 2,239,495,315.05 and 1,317,644,966.30 is: 1,976,467,449.45
Step by Step Solution
- Step 1: Write the proportion equation
1,492,996,876.70 : 2,239,495,315.05 = 1,317,644,966.30 : x - Step 2: Convert to fraction form
1,492,996,876.70/2,239,495,315.05 = 1,317,644,966.30/x - Step 3: Cross multiply
1,492,996,876.70x = 2,239,495,315.05 × 1,317,644,966.30 - Step 4: Simplify right side
1,492,996,876.70x = 2,950,859,728,928,065,024 - Step 5: Solve for x
x = 2,950,859,728,928,065,024/1,492,996,876.70 - Step 6: Final answer
x = 1,976,467,449.45
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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.