Finding the Fourth Proportional to 2,989,358,982.80, 4,484,038,474.20 and 1,023,558,723.80
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Solution
The fourth proportional to 2,989,358,982.80, 4,484,038,474.20 and 1,023,558,723.80 is: 1,535,338,085.70
Step by Step Solution
- Step 1: Write the proportion equation
2,989,358,982.80 : 4,484,038,474.20 = 1,023,558,723.80 : x - Step 2: Convert to fraction form
2,989,358,982.80/4,484,038,474.20 = 1,023,558,723.80/x - Step 3: Cross multiply
2,989,358,982.80x = 4,484,038,474.20 × 1,023,558,723.80 - Step 4: Simplify right side
2,989,358,982.80x = 4,589,676,698,122,250,752 - Step 5: Solve for x
x = 4,589,676,698,122,250,752/2,989,358,982.80 - Step 6: Final answer
x = 1,535,338,085.70
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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.