Finding the Fourth Proportional to 603,633,221.18, 905,448,702.36 and 189,141,774.02
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Solution
The fourth proportional to 603,633,221.18, 905,448,702.36 and 189,141,774.02 is: 283,712,307.14
Step by Step Solution
- Step 1: Write the proportion equation
603,633,221.18 : 905,448,702.36 = 189,141,774.02 : x - Step 2: Convert to fraction form
603,633,221.18/905,448,702.36 = 189,141,774.02/x - Step 3: Cross multiply
603,633,221.18x = 905,448,702.36 × 189,141,774.02 - Step 4: Simplify right side
603,633,221.18x = 171,258,173,848,477,376 - Step 5: Solve for x
x = 171,258,173,848,477,376/603,633,221.18 - Step 6: Final answer
x = 283,712,307.14
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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.