Finding the Fourth Proportional to 703,177,698.99, 1,054,765,994.40 and 211,890,974.45
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Solution
The fourth proportional to 703,177,698.99, 1,054,765,994.40 and 211,890,974.45 is: 317,836,294.70
Step by Step Solution
- Step 1: Write the proportion equation
703,177,698.99 : 1,054,765,994.40 = 211,890,974.45 : x - Step 2: Convert to fraction form
703,177,698.99/1,054,765,994.40 = 211,890,974.45/x - Step 3: Cross multiply
703,177,698.99x = 1,054,765,994.40 × 211,890,974.45 - Step 4: Simplify right side
703,177,698.99x = 223,495,394,364,865,408 - Step 5: Solve for x
x = 223,495,394,364,865,408/703,177,698.99 - Step 6: Final answer
x = 317,836,294.70
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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.