Finding the Fourth Proportional to 545,447,394.23, 818,171,102.17 and 130,924,215.49
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Solution
The fourth proportional to 545,447,394.23, 818,171,102.17 and 130,924,215.49 is: 196,386,325.83
Step by Step Solution
- Step 1: Write the proportion equation
545,447,394.23 : 818,171,102.17 = 130,924,215.49 : x - Step 2: Convert to fraction form
545,447,394.23/818,171,102.17 = 130,924,215.49/x - Step 3: Cross multiply
545,447,394.23x = 818,171,102.17 × 130,924,215.49 - Step 4: Simplify right side
545,447,394.23x = 107,118,409,687,844,096 - Step 5: Solve for x
x = 107,118,409,687,844,096/545,447,394.23 - Step 6: Final answer
x = 196,386,325.83
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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.