Finding the Fourth Proportional to 5,290,916,920.26, 7,936,547,270.60 and 1,559,895,438.66
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Solution
The fourth proportional to 5,290,916,920.26, 7,936,547,270.60 and 1,559,895,438.66 is: 2,339,893,835.55
Step by Step Solution
- Step 1: Write the proportion equation
5,290,916,920.26 : 7,936,547,270.60 = 1,559,895,438.66 : x - Step 2: Convert to fraction form
5,290,916,920.26/7,936,547,270.60 = 1,559,895,438.66/x - Step 3: Cross multiply
5,290,916,920.26x = 7,936,547,270.60 × 1,559,895,438.66 - Step 4: Simplify right side
5,290,916,920.26x = 12,380,183,886,092,152,832 - Step 5: Solve for x
x = 12,380,183,886,092,152,832/5,290,916,920.26 - Step 6: Final answer
x = 2,339,893,835.55
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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.