Finding the Fourth Proportional to 4,290,903,251.20, 6,436,354,876.80 and 3,709,294,220.80
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Solution
The fourth proportional to 4,290,903,251.20, 6,436,354,876.80 and 3,709,294,220.80 is: 5,563,941,331.20
Step by Step Solution
- Step 1: Write the proportion equation
4,290,903,251.20 : 6,436,354,876.80 = 3,709,294,220.80 : x - Step 2: Convert to fraction form
4,290,903,251.20/6,436,354,876.80 = 3,709,294,220.80/x - Step 3: Cross multiply
4,290,903,251.20x = 6,436,354,876.80 × 3,709,294,220.80 - Step 4: Simplify right side
4,290,903,251.20x = 23,874,333,947,532,136,448 - Step 5: Solve for x
x = 23,874,333,947,532,136,448/4,290,903,251.20 - Step 6: Final answer
x = 5,563,941,331.20
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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.