Finding the Fourth Proportional to 1,329,696,029.70, 1,994,544,044.55 and 360,347,645.70
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Solution
The fourth proportional to 1,329,696,029.70, 1,994,544,044.55 and 360,347,645.70 is: 540,521,468.55
Step by Step Solution
- Step 1: Write the proportion equation
1,329,696,029.70 : 1,994,544,044.55 = 360,347,645.70 : x - Step 2: Convert to fraction form
1,329,696,029.70/1,994,544,044.55 = 360,347,645.70/x - Step 3: Cross multiply
1,329,696,029.70x = 1,994,544,044.55 × 360,347,645.70 - Step 4: Simplify right side
1,329,696,029.70x = 718,729,250,698,548,352 - Step 5: Solve for x
x = 718,729,250,698,548,352/1,329,696,029.70 - Step 6: Final answer
x = 540,521,468.55
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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.