Finding the Fourth Proportional to 1,490,241,423.80, 2,235,362,135.70 and 1,480,037,756.60
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Solution
The fourth proportional to 1,490,241,423.80, 2,235,362,135.70 and 1,480,037,756.60 is: 2,220,056,634.90
Step by Step Solution
- Step 1: Write the proportion equation
1,490,241,423.80 : 2,235,362,135.70 = 1,480,037,756.60 : x - Step 2: Convert to fraction form
1,490,241,423.80/2,235,362,135.70 = 1,480,037,756.60/x - Step 3: Cross multiply
1,490,241,423.80x = 2,235,362,135.70 × 1,480,037,756.60 - Step 4: Simplify right side
1,490,241,423.80x = 3,308,420,360,510,012,416 - Step 5: Solve for x
x = 3,308,420,360,510,012,416/1,490,241,423.80 - Step 6: Final answer
x = 2,220,056,634.90
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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.