Finding the Fourth Proportional to 1,603,372,954.49, 2,211,868,398.48 and 1,391,382,246.76
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Solution
The fourth proportional to 1,603,372,954.49, 2,211,868,398.48 and 1,391,382,246.76 is: 1,919,425,180.02
Step by Step Solution
- Step 1: Write the proportion equation
1,603,372,954.49 : 2,211,868,398.48 = 1,391,382,246.76 : x - Step 2: Convert to fraction form
1,603,372,954.49/2,211,868,398.48 = 1,391,382,246.76/x - Step 3: Cross multiply
1,603,372,954.49x = 2,211,868,398.48 × 1,391,382,246.76 - Step 4: Simplify right side
1,603,372,954.49x = 3,077,554,421,811,659,264 - Step 5: Solve for x
x = 3,077,554,421,811,659,264/1,603,372,954.49 - Step 6: Final answer
x = 1,919,425,180.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.