Finding the Fourth Proportional to 11,923,187,211.86, 16,453,519,303.74 and 6,497,607,608
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Solution
The fourth proportional to 11,923,187,211.86, 16,453,519,303.74 and 6,497,607,608 is: 8,966,437,438.81
Step by Step Solution
- Step 1: Write the proportion equation
11,923,187,211.86 : 16,453,519,303.74 = 6,497,607,608 : x - Step 2: Convert to fraction form
11,923,187,211.86/16,453,519,303.74 = 6,497,607,608/x - Step 3: Cross multiply
11,923,187,211.86x = 16,453,519,303.74 × 6,497,607,608 - Step 4: Simplify right side
11,923,187,211.86x = 106,908,512,206,355,890,176 - Step 5: Solve for x
x = 106,908,512,206,355,890,176/11,923,187,211.86 - Step 6: Final answer
x = 8,966,437,438.81
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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.