Finding the Fourth Proportional to 589,712,803.80, 884,569,205.70 and 201,477,438.60
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Solution
The fourth proportional to 589,712,803.80, 884,569,205.70 and 201,477,438.60 is: 302,216,157.90
Step by Step Solution
- Step 1: Write the proportion equation
589,712,803.80 : 884,569,205.70 = 201,477,438.60 : x - Step 2: Convert to fraction form
589,712,803.80/884,569,205.70 = 201,477,438.60/x - Step 3: Cross multiply
589,712,803.80x = 884,569,205.70 × 201,477,438.60 - Step 4: Simplify right side
589,712,803.80x = 178,220,737,828,872,512 - Step 5: Solve for x
x = 178,220,737,828,872,512/589,712,803.80 - Step 6: Final answer
x = 302,216,157.90
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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.