Finding the Fourth Proportional to 319,763,926,937.21, 479,649,575,051.76 and 115,572,621,072.54
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Solution
The fourth proportional to 319,763,926,937.21, 479,649,575,051.76 and 115,572,621,072.54 is: 173,360,263,354.37
Step by Step Solution
- Step 1: Write the proportion equation
319,763,926,937.21 : 479,649,575,051.76 = 115,572,621,072.54 : x - Step 2: Convert to fraction form
319,763,926,937.21/479,649,575,051.76 = 115,572,621,072.54/x - Step 3: Cross multiply
319,763,926,937.21x = 479,649,575,051.76 × 115,572,621,072.54 - Step 4: Simplify right side
319,763,926,937.21x = 55,434,358,585,061,887,967,232 - Step 5: Solve for x
x = 55,434,358,585,061,887,967,232/319,763,926,937.21 - Step 6: Final answer
x = 173,360,263,354.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.