Finding the Fourth Proportional to 591,971,742.40, 887,913,376.80 and 246,836,228.80
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Solution
The fourth proportional to 591,971,742.40, 887,913,376.80 and 246,836,228.80 is: 370,235,897.65
Step by Step Solution
- Step 1: Write the proportion equation
591,971,742.40 : 887,913,376.80 = 246,836,228.80 : x - Step 2: Convert to fraction form
591,971,742.40/887,913,376.80 = 246,836,228.80/x - Step 3: Cross multiply
591,971,742.40x = 887,913,376.80 × 246,836,228.80 - Step 4: Simplify right side
591,971,742.40x = 219,169,189,430,385,408 - Step 5: Solve for x
x = 219,169,189,430,385,408/591,971,742.40 - Step 6: Final answer
x = 370,235,897.65
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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.