Finding the Fourth Proportional to 1,492,992,037.80, 2,239,488,056.70 and 402,585,330.60
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Solution
The fourth proportional to 1,492,992,037.80, 2,239,488,056.70 and 402,585,330.60 is: 603,877,995.90
Step by Step Solution
- Step 1: Write the proportion equation
1,492,992,037.80 : 2,239,488,056.70 = 402,585,330.60 : x - Step 2: Convert to fraction form
1,492,992,037.80/2,239,488,056.70 = 402,585,330.60/x - Step 3: Cross multiply
1,492,992,037.80x = 2,239,488,056.70 × 402,585,330.60 - Step 4: Simplify right side
1,492,992,037.80x = 901,585,039,681,320,960 - Step 5: Solve for x
x = 901,585,039,681,320,960/1,492,992,037.80 - Step 6: Final answer
x = 603,877,995.90
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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.