Finding the Fourth Proportional to 545,447,396.24, 818,171,105.18 and 130,924,217.48
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Solution
The fourth proportional to 545,447,396.24, 818,171,105.18 and 130,924,217.48 is: 196,386,328.82
Step by Step Solution
- Step 1: Write the proportion equation
545,447,396.24 : 818,171,105.18 = 130,924,217.48 : x - Step 2: Convert to fraction form
545,447,396.24/818,171,105.18 = 130,924,217.48/x - Step 3: Cross multiply
545,447,396.24x = 818,171,105.18 × 130,924,217.48 - Step 4: Simplify right side
545,447,396.24x = 107,118,411,710,438,272 - Step 5: Solve for x
x = 107,118,411,710,438,272/545,447,396.24 - Step 6: Final answer
x = 196,386,328.82
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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.