Finding the Fourth Proportional to 979,099,241.28, 1,468,756,455.84 and 323,811,574.08
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Solution
The fourth proportional to 979,099,241.28, 1,468,756,455.84 and 323,811,574.08 is: 485,752,945.01
Step by Step Solution
- Step 1: Write the proportion equation
979,099,241.28 : 1,468,756,455.84 = 323,811,574.08 : x - Step 2: Convert to fraction form
979,099,241.28/1,468,756,455.84 = 323,811,574.08/x - Step 3: Cross multiply
979,099,241.28x = 1,468,756,455.84 × 323,811,574.08 - Step 4: Simplify right side
979,099,241.28x = 475,600,339,905,712,384 - Step 5: Solve for x
x = 475,600,339,905,712,384/979,099,241.28 - Step 6: Final answer
x = 485,752,945.01
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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.