Finding the Fourth Proportional to 6,078,921,320.21, 9,106,506,811.67 and 4,187,783,440.82
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Solution
The fourth proportional to 6,078,921,320.21, 9,106,506,811.67 and 4,187,783,440.82 is: 6,273,494,329.14
Step by Step Solution
- Step 1: Write the proportion equation
6,078,921,320.21 : 9,106,506,811.67 = 4,187,783,440.82 : x - Step 2: Convert to fraction form
6,078,921,320.21/9,106,506,811.67 = 4,187,783,440.82/x - Step 3: Cross multiply
6,078,921,320.21x = 9,106,506,811.67 × 4,187,783,440.82 - Step 4: Simplify right side
6,078,921,320.21x = 38,136,078,429,626,163,200 - Step 5: Solve for x
x = 38,136,078,429,626,163,200/6,078,921,320.21 - Step 6: Final answer
x = 6,273,494,329.14
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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.