Finding the Fourth Proportional to 1,442,705,073.95, 2,165,456,997.54 and 696,246,160.82
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Solution
The fourth proportional to 1,442,705,073.95, 2,165,456,997.54 and 696,246,160.82 is: 1,045,044,581.99
Step by Step Solution
- Step 1: Write the proportion equation
1,442,705,073.95 : 2,165,456,997.54 = 696,246,160.82 : x - Step 2: Convert to fraction form
1,442,705,073.95/2,165,456,997.54 = 696,246,160.82/x - Step 3: Cross multiply
1,442,705,073.95x = 2,165,456,997.54 × 696,246,160.82 - Step 4: Simplify right side
1,442,705,073.95x = 1,507,691,120,947,202,048 - Step 5: Solve for x
x = 1,507,691,120,947,202,048/1,442,705,073.95 - Step 6: Final answer
x = 1,045,044,581.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.