Finding the Fourth Proportional to 570,736,771.35, 855,895,168.56 and 197,149,584.09
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Solution
The fourth proportional to 570,736,771.35, 855,895,168.56 and 197,149,584.09 is: 295,651,839.83
Step by Step Solution
- Step 1: Write the proportion equation
570,736,771.35 : 855,895,168.56 = 197,149,584.09 : x - Step 2: Convert to fraction form
570,736,771.35/855,895,168.56 = 197,149,584.09/x - Step 3: Cross multiply
570,736,771.35x = 855,895,168.56 × 197,149,584.09 - Step 4: Simplify right side
570,736,771.35x = 168,739,376,506,244,448 - Step 5: Solve for x
x = 168,739,376,506,244,448/570,736,771.35 - Step 6: Final answer
x = 295,651,839.83
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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.