Finding the Fourth Proportional to 2,069,172,816.20, 3,103,759,224.30 and 1,844,692,137.80
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Solution
The fourth proportional to 2,069,172,816.20, 3,103,759,224.30 and 1,844,692,137.80 is: 2,767,038,206.70
Step by Step Solution
- Step 1: Write the proportion equation
2,069,172,816.20 : 3,103,759,224.30 = 1,844,692,137.80 : x - Step 2: Convert to fraction form
2,069,172,816.20/3,103,759,224.30 = 1,844,692,137.80/x - Step 3: Cross multiply
2,069,172,816.20x = 3,103,759,224.30 × 1,844,692,137.80 - Step 4: Simplify right side
2,069,172,816.20x = 5,725,480,238,690,437,120 - Step 5: Solve for x
x = 5,725,480,238,690,437,120/2,069,172,816.20 - Step 6: Final answer
x = 2,767,038,206.70
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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.