Finding the Fourth Proportional to 1,408,317,812.85, 2,112,476,719.28 and 1,348,607,464.05
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Solution
The fourth proportional to 1,408,317,812.85, 2,112,476,719.28 and 1,348,607,464.05 is: 2,022,911,196.08
Step by Step Solution
- Step 1: Write the proportion equation
1,408,317,812.85 : 2,112,476,719.28 = 1,348,607,464.05 : x - Step 2: Convert to fraction form
1,408,317,812.85/2,112,476,719.28 = 1,348,607,464.05/x - Step 3: Cross multiply
1,408,317,812.85x = 2,112,476,719.28 × 1,348,607,464.05 - Step 4: Simplify right side
1,408,317,812.85x = 2,848,901,871,246,121,472 - Step 5: Solve for x
x = 2,848,901,871,246,121,472/1,408,317,812.85 - Step 6: Final answer
x = 2,022,911,196.08
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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.