Finding the Fourth Proportional to 2,834,354,671.20, 4,251,532,006.80 and 2,489,980,903.20
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Solution
The fourth proportional to 2,834,354,671.20, 4,251,532,006.80 and 2,489,980,903.20 is: 3,734,971,354.80
Step by Step Solution
- Step 1: Write the proportion equation
2,834,354,671.20 : 4,251,532,006.80 = 2,489,980,903.20 : x - Step 2: Convert to fraction form
2,834,354,671.20/4,251,532,006.80 = 2,489,980,903.20/x - Step 3: Cross multiply
2,834,354,671.20x = 4,251,532,006.80 × 2,489,980,903.20 - Step 4: Simplify right side
2,834,354,671.20x = 10,586,233,506,275,571,712 - Step 5: Solve for x
x = 10,586,233,506,275,571,712/2,834,354,671.20 - Step 6: Final answer
x = 3,734,971,354.80
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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.