Finding the Fourth Proportional to 2,571,912,043.20, 3,857,868,064.80 and 2,553,772,190.40
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Solution
The fourth proportional to 2,571,912,043.20, 3,857,868,064.80 and 2,553,772,190.40 is: 3,830,658,285.60
Step by Step Solution
- Step 1: Write the proportion equation
2,571,912,043.20 : 3,857,868,064.80 = 2,553,772,190.40 : x - Step 2: Convert to fraction form
2,571,912,043.20/3,857,868,064.80 = 2,553,772,190.40/x - Step 3: Cross multiply
2,571,912,043.20x = 3,857,868,064.80 × 2,553,772,190.40 - Step 4: Simplify right side
2,571,912,043.20x = 9,852,116,178,118,506,496 - Step 5: Solve for x
x = 9,852,116,178,118,506,496/2,571,912,043.20 - Step 6: Final answer
x = 3,830,658,285.60
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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.