Finding the Fourth Proportional to 1,099,283,937.51, 1,648,924,856.51 and 281,394,926.31
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Solution
The fourth proportional to 1,099,283,937.51, 1,648,924,856.51 and 281,394,926.31 is: 422,092,120.75
Step by Step Solution
- Step 1: Write the proportion equation
1,099,283,937.51 : 1,648,924,856.51 = 281,394,926.31 : x - Step 2: Convert to fraction form
1,099,283,937.51/1,648,924,856.51 = 281,394,926.31/x - Step 3: Cross multiply
1,099,283,937.51x = 1,648,924,856.51 × 281,394,926.31 - Step 4: Simplify right side
1,099,283,937.51x = 463,999,088,486,951,808 - Step 5: Solve for x
x = 463,999,088,486,951,808/1,099,283,937.51 - Step 6: Final answer
x = 422,092,120.75
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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.