Finding the Fourth Proportional to 517,950,529.80, 776,925,794.70 and 517,950,529.80
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Solution
The fourth proportional to 517,950,529.80, 776,925,794.70 and 517,950,529.80 is: 776,925,794.70
Step by Step Solution
- Step 1: Write the proportion equation
517,950,529.80 : 776,925,794.70 = 517,950,529.80 : x - Step 2: Convert to fraction form
517,950,529.80/776,925,794.70 = 517,950,529.80/x - Step 3: Cross multiply
517,950,529.80x = 776,925,794.70 × 517,950,529.80 - Step 4: Simplify right side
517,950,529.80x = 402,409,126,980,151,040 - Step 5: Solve for x
x = 402,409,126,980,151,040/517,950,529.80 - Step 6: Final answer
x = 776,925,794.70
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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.