Finding the Fourth Proportional to 7,553,440,475.32, 10,423,780,262.52 and 4,120,213,607.98
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Solution
The fourth proportional to 7,553,440,475.32, 10,423,780,262.52 and 4,120,213,607.98 is: 5,685,912,455.99
Step by Step Solution
- Step 1: Write the proportion equation
7,553,440,475.32 : 10,423,780,262.52 = 4,120,213,607.98 : x - Step 2: Convert to fraction form
7,553,440,475.32/10,423,780,262.52 = 4,120,213,607.98/x - Step 3: Cross multiply
7,553,440,475.32x = 10,423,780,262.52 × 4,120,213,607.98 - Step 4: Simplify right side
7,553,440,475.32x = 42,948,201,284,228,243,456 - Step 5: Solve for x
x = 42,948,201,284,228,243,456/7,553,440,475.32 - Step 6: Final answer
x = 5,685,912,455.99
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1.5x scale
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.