Finding the Fourth Proportional to 9,953,664,557.10, 14,930,496,835.65 and 3,408,387,629.10
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Solution
The fourth proportional to 9,953,664,557.10, 14,930,496,835.65 and 3,408,387,629.10 is: 5,112,581,443.65
Step by Step Solution
- Step 1: Write the proportion equation
9,953,664,557.10 : 14,930,496,835.65 = 3,408,387,629.10 : x - Step 2: Convert to fraction form
9,953,664,557.10/14,930,496,835.65 = 3,408,387,629.10/x - Step 3: Cross multiply
9,953,664,557.10x = 14,930,496,835.65 × 3,408,387,629.10 - Step 4: Simplify right side
9,953,664,557.10x = 50,888,920,710,946,152,448 - Step 5: Solve for x
x = 50,888,920,710,946,152,448/9,953,664,557.10 - Step 6: Final answer
x = 5,112,581,443.65
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Double scale
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Similar ratio
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1.5x scale
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.