Finding the Fourth Proportional to 317,905,223.95, 476,880,536.36 and 84,734,714.53
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Solution
The fourth proportional to 317,905,223.95, 476,880,536.36 and 84,734,714.53 is: 127,108,122.39
Step by Step Solution
- Step 1: Write the proportion equation
317,905,223.95 : 476,880,536.36 = 84,734,714.53 : x - Step 2: Convert to fraction form
317,905,223.95/476,880,536.36 = 84,734,714.53/x - Step 3: Cross multiply
317,905,223.95x = 476,880,536.36 × 84,734,714.53 - Step 4: Simplify right side
317,905,223.95x = 40,408,336,113,377,888 - Step 5: Solve for x
x = 40,408,336,113,377,888/317,905,223.95 - Step 6: Final answer
x = 127,108,122.39
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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.