Finding the Fourth Proportional to 357,698,202.40, 493,675,793.04 and 201,078,209.44
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Solution
The fourth proportional to 357,698,202.40, 493,675,793.04 and 201,078,209.44 is: 277,517,314.44
Step by Step Solution
- Step 1: Write the proportion equation
357,698,202.40 : 493,675,793.04 = 201,078,209.44 : x - Step 2: Convert to fraction form
357,698,202.40/493,675,793.04 = 201,078,209.44/x - Step 3: Cross multiply
357,698,202.40x = 493,675,793.04 × 201,078,209.44 - Step 4: Simplify right side
357,698,202.40x = 99,267,444,508,355,216 - Step 5: Solve for x
x = 99,267,444,508,355,216/357,698,202.40 - Step 6: Final answer
x = 277,517,314.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.