Finding the Fourth Proportional to 9,614,402,421.80, 14,421,603,632.70 and 8,940,960,386.60
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Solution
The fourth proportional to 9,614,402,421.80, 14,421,603,632.70 and 8,940,960,386.60 is: 13,411,440,579.90
Step by Step Solution
- Step 1: Write the proportion equation
9,614,402,421.80 : 14,421,603,632.70 = 8,940,960,386.60 : x - Step 2: Convert to fraction form
9,614,402,421.80/14,421,603,632.70 = 8,940,960,386.60/x - Step 3: Cross multiply
9,614,402,421.80x = 14,421,603,632.70 × 8,940,960,386.60 - Step 4: Simplify right side
9,614,402,421.80x = 128,942,986,791,217,364,992 - Step 5: Solve for x
x = 128,942,986,791,217,364,992/9,614,402,421.80 - Step 6: Final answer
x = 13,411,440,579.90
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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.