Finding the Fourth Proportional to 1,544,040,115.30, 2,316,396,096.15 and 508,724,812.90
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Solution
The fourth proportional to 1,544,040,115.30, 2,316,396,096.15 and 508,724,812.90 is: 763,197,898.12
Step by Step Solution
- Step 1: Write the proportion equation
1,544,040,115.30 : 2,316,396,096.15 = 508,724,812.90 : x - Step 2: Convert to fraction form
1,544,040,115.30/2,316,396,096.15 = 508,724,812.90/x - Step 3: Cross multiply
1,544,040,115.30x = 2,316,396,096.15 × 508,724,812.90 - Step 4: Simplify right side
1,544,040,115.30x = 1,178,408,170,616,199,168 - Step 5: Solve for x
x = 1,178,408,170,616,199,168/1,544,040,115.30 - Step 6: Final answer
x = 763,197,898.12
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Double scale
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1.5x scale
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.