Finding the Fourth Proportional to 2,879,515,320.90, 4,315,480,584.39 and 1,219,368,391.17
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Solution
The fourth proportional to 2,879,515,320.90, 4,315,480,584.39 and 1,219,368,391.17 is: 1,827,446,646.70
Step by Step Solution
- Step 1: Write the proportion equation
2,879,515,320.90 : 4,315,480,584.39 = 1,219,368,391.17 : x - Step 2: Convert to fraction form
2,879,515,320.90/4,315,480,584.39 = 1,219,368,391.17/x - Step 3: Cross multiply
2,879,515,320.90x = 4,315,480,584.39 × 1,219,368,391.17 - Step 4: Simplify right side
2,879,515,320.90x = 5,262,160,617,313,006,592 - Step 5: Solve for x
x = 5,262,160,617,313,006,592/2,879,515,320.90 - Step 6: Final answer
x = 1,827,446,646.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.