Finding the Fourth Proportional to 7,486,197,237.12, 11,211,469,702.85 and 4,331,763,997.06
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Solution
The fourth proportional to 7,486,197,237.12, 11,211,469,702.85 and 4,331,763,997.06 is: 6,487,331,187.61
Step by Step Solution
- Step 1: Write the proportion equation
7,486,197,237.12 : 11,211,469,702.85 = 4,331,763,997.06 : x - Step 2: Convert to fraction form
7,486,197,237.12/11,211,469,702.85 = 4,331,763,997.06/x - Step 3: Cross multiply
7,486,197,237.12x = 11,211,469,702.85 × 4,331,763,997.06 - Step 4: Simplify right side
7,486,197,237.12x = 48,565,440,812,934,610,944 - Step 5: Solve for x
x = 48,565,440,812,934,610,944/7,486,197,237.12 - Step 6: Final answer
x = 6,487,331,187.61
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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.