Finding the Fourth Proportional to 1,329,696,548.70, 1,994,544,823.05 and 360,348,164.70
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Solution
The fourth proportional to 1,329,696,548.70, 1,994,544,823.05 and 360,348,164.70 is: 540,522,247.05
Step by Step Solution
- Step 1: Write the proportion equation
1,329,696,548.70 : 1,994,544,823.05 = 360,348,164.70 : x - Step 2: Convert to fraction form
1,329,696,548.70/1,994,544,823.05 = 360,348,164.70/x - Step 3: Cross multiply
1,329,696,548.70x = 1,994,544,823.05 × 360,348,164.70 - Step 4: Simplify right side
1,329,696,548.70x = 718,730,566,397,953,664 - Step 5: Solve for x
x = 718,730,566,397,953,664/1,329,696,548.70 - Step 6: Final answer
x = 540,522,247.05
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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.