Finding the Fourth Proportional to 1,408,317,934.60, 2,112,476,901.90 and 1,348,607,585.80
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Solution
The fourth proportional to 1,408,317,934.60, 2,112,476,901.90 and 1,348,607,585.80 is: 2,022,911,378.70
Step by Step Solution
- Step 1: Write the proportion equation
1,408,317,934.60 : 2,112,476,901.90 = 1,348,607,585.80 : x - Step 2: Convert to fraction form
1,408,317,934.60/2,112,476,901.90 = 1,348,607,585.80/x - Step 3: Cross multiply
1,408,317,934.60x = 2,112,476,901.90 × 1,348,607,585.80 - Step 4: Simplify right side
1,408,317,934.60x = 2,848,902,374,729,622,528 - Step 5: Solve for x
x = 2,848,902,374,729,622,528/1,408,317,934.60 - Step 6: Final answer
x = 2,022,911,378.70
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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.