Finding the Fourth Proportional to 455,408,236.00, 628,455,744.85 and 246,562,683.04
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Solution
The fourth proportional to 455,408,236.00, 628,455,744.85 and 246,562,683.04 is: 340,252,376.59
Step by Step Solution
- Step 1: Write the proportion equation
455,408,236.00 : 628,455,744.85 = 246,562,683.04 : x - Step 2: Convert to fraction form
455,408,236.00/628,455,744.85 = 246,562,683.04/x - Step 3: Cross multiply
455,408,236.00x = 628,455,744.85 × 246,562,683.04 - Step 4: Simplify right side
455,408,236.00x = 154,953,734,617,742,560 - Step 5: Solve for x
x = 154,953,734,617,742,560/455,408,236.00 - Step 6: Final answer
x = 340,252,376.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.