Finding the Fourth Proportional to 1,408,415,922.90, 2,112,623,884.35 and 884,627,673.30
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Solution
The fourth proportional to 1,408,415,922.90, 2,112,623,884.35 and 884,627,673.30 is: 1,326,941,509.95
Step by Step Solution
- Step 1: Write the proportion equation
1,408,415,922.90 : 2,112,623,884.35 = 884,627,673.30 : x - Step 2: Convert to fraction form
1,408,415,922.90/2,112,623,884.35 = 884,627,673.30/x - Step 3: Cross multiply
1,408,415,922.90x = 2,112,623,884.35 × 884,627,673.30 - Step 4: Simplify right side
1,408,415,922.90x = 1,868,885,551,370,548,480 - Step 5: Solve for x
x = 1,868,885,551,370,548,480/1,408,415,922.90 - Step 6: Final answer
x = 1,326,941,509.95
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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.