Finding the Fourth Proportional to 483,813,811.36, 725,723,603.84 and 120,308,167.36
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Solution
The fourth proportional to 483,813,811.36, 725,723,603.84 and 120,308,167.36 is: 180,462,968.89
Step by Step Solution
- Step 1: Write the proportion equation
483,813,811.36 : 725,723,603.84 = 120,308,167.36 : x - Step 2: Convert to fraction form
483,813,811.36/725,723,603.84 = 120,308,167.36/x - Step 3: Cross multiply
483,813,811.36x = 725,723,603.84 × 120,308,167.36 - Step 4: Simplify right side
483,813,811.36x = 87,310,476,787,885,056 - Step 5: Solve for x
x = 87,310,476,787,885,056/483,813,811.36 - Step 6: Final answer
x = 180,462,968.89
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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.