Finding the Fourth Proportional to 559,874,025.80, 839,811,038.70 and 287,776,233.80
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Solution
The fourth proportional to 559,874,025.80, 839,811,038.70 and 287,776,233.80 is: 431,664,350.70
Step by Step Solution
- Step 1: Write the proportion equation
559,874,025.80 : 839,811,038.70 = 287,776,233.80 : x - Step 2: Convert to fraction form
559,874,025.80/839,811,038.70 = 287,776,233.80/x - Step 3: Cross multiply
559,874,025.80x = 839,811,038.70 × 287,776,233.80 - Step 4: Simplify right side
559,874,025.80x = 241,677,657,820,752,064 - Step 5: Solve for x
x = 241,677,657,820,752,064/559,874,025.80 - Step 6: Final answer
x = 431,664,350.70
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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.